Search a number
-
+
22024430442 = 2337137425297
BaseRepresentation
bin10100100000110000…
…100010001101101010
32002211220211222202000
4110200300202031222
5330101223233232
614041243551430
71406533366320
oct244060421552
962756758660
1022024430442
119382242633
124327b2b576
1320ccc26b81
1410cd0ddd10
1588d85727c
hex520c2236a

22024430442 has 64 divisors (see below), whose sum is σ = 56343479040. Its totient is φ = 6246747648.

The previous prime is 22024430437. The next prime is 22024430453. The reversal of 22024430442 is 24403442022.

22024430442 is a `hidden beast` number, since 220 + 2 + 4 + 430 + 4 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160863 + ... + 264434.

It is an arithmetic number, because the mean of its divisors is an integer number (880366860).

Almost surely, 222024430442 is an apocalyptic number.

22024430442 is an abundant number, since it is smaller than the sum of its proper divisors (34319048598).

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

22024430442 is a wasteful number, since it uses less digits than its factorization.

22024430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425452 (or 425446 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22024430442 its reverse (24403442022), we get a palindrome (46427872464).

The spelling of 22024430442 in words is "twenty-two billion, twenty-four million, four hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 137 189 274 378 411 822 959 1233 1918 2466 2877 3699 5754 7398 8631 17262 25893 51786 425297 850594 1275891 2551782 2977079 3827673 5954158 7655346 8931237 11483019 17862474 22966038 26793711 53587422 58265689 80381133 116531378 160762266 174797067 349594134 407859823 524391201 815719646 1048782402 1223579469 1573173603 2447158938 3146347206 3670738407 7341476814 11012215221 22024430442