22542748 has 12 divisors (see below), whose sum is σ = 41770512. Its totient is φ = 10608320.

The previous prime is 22542739. The next prime is 22542757. The reversal of 22542748 is 84724522.

It is an interprime number because it is at equal distance from previous prime (22542739) and next prime (22542757).

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 165688 + ... + 165823.

It is an arithmetic number, because the mean of its divisors is an integer number (3480876).

Almost surely, 2^22542748 is an apocalyptic number.

It is an amenable number.

22542748 is a deficient number, since it is larger than the sum of its proper divisors (19227764).

22542748 is a wasteful number, since it uses less digits than its factorization.

22542748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331532 (or 331530 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 22542748 is about 4747.9203868641. The cubic root of 22542748 is about 282.4894840370.

The spelling of 22542748 in words is "twenty-two million, five hundred forty-two thousand, seven hundred forty-eight".