22074012936 has 24 divisors (see below), whose sum is σ = 59783785230. Its totient is φ = 7358004288.

The previous prime is 22074012931. The next prime is 22074012937. The reversal of 22074012936 is 63921047022.

22074012936 is a `hidden beast` number, since 220 + 7 + 401 + 29 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22054032036 + 19980900 = 148506^2 + 4470^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 22074012936.

It is not an unprimeable number, because it can be changed into a prime (22074012931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153291685 + ... + 153291828.

Almost surely, 2^22074012936 is an apocalyptic number.

It is an amenable number.

22074012936 is an abundant number, since it is smaller than the sum of its proper divisors (37709772294).

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

22074012936 is a wasteful number, since it uses less digits than its factorization.

22074012936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306583525 (or 306583518 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 22074012936 its reverse (63921047022), we get a palindrome (85995059958).

The spelling of 22074012936 in words is "twenty-two billion, seventy-four million, twelve thousand, nine hundred thirty-six".