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22628802 = 2371741773
BaseRepresentation
bin101011001010…
…0100111000010
31120120122212210
41112110213002
521243110202
62125002550
7363225120
oct126244702
946518783
1022628802
1111856399
1276b3456
1348c3b31
143010910
151ebec6c
hex15949c2

22628802 has 64 divisors (see below), whose sum is σ = 56173824. Its totient is φ = 5928960.

The previous prime is 22628773. The next prime is 22628807. The reversal of 22628802 is 20882622.

It is a self number, because there is not a number n which added to its sum of digits gives 22628802.

It is not an unprimeable number, because it can be changed into a prime (22628807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28888 + ... + 29660.

It is an arithmetic number, because the mean of its divisors is an integer number (877716).

Almost surely, 222628802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22628802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28086912).

22628802 is an abundant number, since it is smaller than the sum of its proper divisors (33545022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22628802 is a wasteful number, since it uses less digits than its factorization.

22628802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 22628802 is about 4756.9740381886. The cubic root of 22628802 is about 282.8484831987.

The spelling of 22628802 in words is "twenty-two million, six hundred twenty-eight thousand, eight hundred two".

Divisors: 1 2 3 6 7 14 17 21 34 41 42 51 82 102 119 123 238 246 287 357 574 697 714 773 861 1394 1546 1722 2091 2319 4182 4638 4879 5411 9758 10822 13141 14637 16233 26282 29274 31693 32466 39423 63386 78846 91987 95079 183974 190158 221851 275961 443702 538781 551922 665553 1077562 1331106 1616343 3232686 3771467 7542934 11314401 22628802