22967628 has 12 divisors (see below), whose sum is σ = 53591160. Its totient is φ = 7655872.

The previous prime is 22967611. The next prime is 22967701. The reversal of 22967628 is 82676922.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22967628.

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, 956973 + ... + 956996.

It is an arithmetic number, because the mean of its divisors is an integer number (4465930).

Almost surely, 2^22967628 is an apocalyptic number.

It is an amenable number.

22967628 is an abundant number, since it is smaller than the sum of its proper divisors (30623532).

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

22967628 is a wasteful number, since it uses less digits than its factorization.

22967628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913976 (or 1913974 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 22967628 is about 4792.4553206055. The cubic root of 22967628 is about 284.2532126413.

The spelling of 22967628 in words is "twenty-two million, nine hundred sixty-seven thousand, six hundred twenty-eight".