Search a number
-
+
22422860 = 2251121143
BaseRepresentation
bin101010110001…
…0010101001100
31120012012101022
41111202111030
521220012420
62120333312
7361406525
oct125422514
946165338
1022422860
1111725699
127614238
134851185
142d9984c
151e7dc25
hex156254c

22422860 has 12 divisors (see below), whose sum is σ = 47088048. Its totient is φ = 8969136.

The previous prime is 22422857. The next prime is 22422863. The reversal of 22422860 is 6822422.

It is an interprime number because it is at equal distance from previous prime (22422857) and next prime (22422863).

It is not an unprimeable number, because it can be changed into a prime (22422863) 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 3 ways as a sum of consecutive naturals, for example, 560552 + ... + 560591.

It is an arithmetic number, because the mean of its divisors is an integer number (3924004).

Almost surely, 222422860 is an apocalyptic number.

22422860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422860 is an abundant number, since it is smaller than the sum of its proper divisors (24665188).

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

22422860 is a wasteful number, since it uses less digits than its factorization.

22422860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121152 (or 1121150 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22422860 is about 4735.2782389211. The cubic root of 22422860 is about 281.9878102807.

The spelling of 22422860 in words is "twenty-two million, four hundred twenty-two thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 1121143 2242286 4484572 5605715 11211430 22422860