22125648 has 20 divisors (see below), whose sum is σ = 57158048. Its totient is φ = 7375200.

The previous prime is 22125647. The next prime is 22125683. The reversal of 22125648 is 84652122.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22125647) 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, 230428 + ... + 230523.

Almost surely, 2^22125648 is an apocalyptic number.

It is an amenable number.

22125648 is an abundant number, since it is smaller than the sum of its proper divisors (35032400).

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

22125648 is a wasteful number, since it uses less digits than its factorization.

22125648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460962 (or 460956 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22125648 is about 4703.7908116752. The cubic root of 22125648 is about 280.7363610948.

The spelling of 22125648 in words is "twenty-two million, one hundred twenty-five thousand, six hundred forty-eight".