22742648 has 16 divisors (see below), whose sum is σ = 42969960. Its totient is φ = 11284000.

The previous prime is 22742633. The next prime is 22742663. The reversal of 22742648 is 84624722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22742633) and next prime (22742663).

It is a congruent number.

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, 9803 + ... + 11898.

Almost surely, 2^22742648 is an apocalyptic number.

It is an amenable number.

22742648 is a deficient number, since it is larger than the sum of its proper divisors (20227312).

22742648 is a wasteful number, since it uses less digits than its factorization.

22742648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21838 (or 21834 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 22742648 is about 4768.9252457970. The cubic root of 22742648 is about 283.3220289223.

It can be divided in two parts, 227 and 42648, that added together give a cube (42875 = 35³).

The spelling of 22742648 in words is "twenty-two million, seven hundred forty-two thousand, six hundred forty-eight".