22149074328 has 16 divisors (see below), whose sum is σ = 55372685880. Its totient is φ = 7383024768.

The previous prime is 22149074287. The next prime is 22149074329. The reversal of 22149074328 is 82347094122.

It is a self number, because there is not a number n which added to its sum of digits gives 22149074328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149074329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461439025 + ... + 461439072.

Almost surely, 2^22149074328 is an apocalyptic number.

It is an amenable number.

22149074328 is an abundant number, since it is smaller than the sum of its proper divisors (33223611552).

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

22149074328 is a wasteful number, since it uses less digits than its factorization.

22149074328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922878106 (or 922878102 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 22149074328 in words is "twenty-two billion, one hundred forty-nine million, seventy-four thousand, three hundred twenty-eight".