22501696 has 28 divisors (see below), whose sum is σ = 51031648. Its totient is φ = 9643392.

The previous prime is 22501679. The next prime is 22501697. The reversal of 22501696 is 69610522.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24666 + ... + 25561.

Almost surely, 2^22501696 is an apocalyptic number.

It is an amenable number.

22501696 is an abundant number, since it is smaller than the sum of its proper divisors (28529952).

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

22501696 is an equidigital number, since it uses as much as digits as its factorization.

22501696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50246 (or 50236 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 22501696 is about 4743.5952609809. The cubic root of 22501696 is about 282.3179018066.

The spelling of 22501696 in words is "twenty-two million, five hundred one thousand, six hundred ninety-six".