22704424236 has 72 divisors (see below), whose sum is σ = 62819788304. Its totient is φ = 6871443840.

The previous prime is 22704424231. The next prime is 22704424241. The reversal of 22704424236 is 63242440722.

22704424236 is a `hidden beast` number, since 227 + 0 + 4 + 4 + 2 + 423 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (22704424231) and next prime (22704424241).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22704424236.

It is not an unprimeable number, because it can be changed into a prime (22704424231) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 369106 + ... + 426201.

Almost surely, 2^22704424236 is an apocalyptic number.

22704424236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22704424236 is an abundant number, since it is smaller than the sum of its proper divisors (40115364068).

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

22704424236 is a wasteful number, since it uses less digits than its factorization.

22704424236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795391 (or 795386 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

Adding to 22704424236 its reverse (63242440722), we get a palindrome (85946864958).

The spelling of 22704424236 in words is "twenty-two billion, seven hundred four million, four hundred twenty-four thousand, two hundred thirty-six".