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22430032 = 241973783
BaseRepresentation
bin101010110010…
…0000101010000
31120012120012221
41111210011100
521220230112
62120430424
7361436452
oct125440520
946176187
1022430032
1111730019
127618414
134854511
142d9c2d2
151e80e07
hex1564150

22430032 has 20 divisors (see below), whose sum is σ = 45746080. Its totient is φ = 10624608.

The previous prime is 22429999. The next prime is 22430041. The reversal of 22430032 is 23003422.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22429988 and 22430015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36588 + ... + 37195.

It is an arithmetic number, because the mean of its divisors is an integer number (2287304).

Almost surely, 222430032 is an apocalyptic number.

It is an amenable number.

22430032 is an abundant number, since it is smaller than the sum of its proper divisors (23316048).

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

22430032 is a wasteful number, since it uses less digits than its factorization.

22430032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73810 (or 73804 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22430032 is about 4736.0354728401. The cubic root of 22430032 is about 282.0178718784.

Adding to 22430032 its reverse (23003422), we get a palindrome (45433454).

The spelling of 22430032 in words is "twenty-two million, four hundred thirty thousand, thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 73783 147566 295132 590264 1180528 1401877 2803754 5607508 11215016 22430032