22986648 has 24 divisors (see below), whose sum is σ = 62255700. Its totient is φ = 7662192.

The previous prime is 22986641. The next prime is 22986661. The reversal of 22986648 is 84668922.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22986641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159558 + ... + 159701.

Almost surely, 2^22986648 is an apocalyptic number.

It is an amenable number.

22986648 is an abundant number, since it is smaller than the sum of its proper divisors (39269052).

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

22986648 is a wasteful number, since it uses less digits than its factorization.

22986648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319271 (or 319264 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 22986648 is about 4794.4392789981. The cubic root of 22986648 is about 284.3316564460.

The spelling of 22986648 in words is "twenty-two million, nine hundred eighty-six thousand, six hundred forty-eight".