22945936428 has 72 divisors (see below), whose sum is σ = 60126957072. Its totient is φ = 7372328832.

The previous prime is 22945936427. The next prime is 22945936457. The reversal of 22945936428 is 82463954922.

22945936428 is a `hidden beast` number, since 2 + 2 + 9 + 4 + 593 + 6 + 42 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (22945936427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62026 + ... + 223022.

It is an arithmetic number, because the mean of its divisors is an integer number (835096626).

Almost surely, 2^22945936428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22945936428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30063478536).

22945936428 is an abundant number, since it is smaller than the sum of its proper divisors (37181020644).

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

22945936428 is a wasteful number, since it uses less digits than its factorization.

22945936428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161151 (or 161146 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 22945936428 in words is "twenty-two billion, nine hundred forty-five million, nine hundred thirty-six thousand, four hundred twenty-eight".