22252554 has 24 divisors (see below), whose sum is σ = 48543300. Its totient is φ = 7366848.

The previous prime is 22252547. The next prime is 22252561. The reversal of 22252554 is 45525222.

It is an interprime number because it is at equal distance from previous prime (22252547) and next prime (22252561).

It can be written as a sum of positive squares in 2 ways, for example, as 21874329 + 378225 = 4677^2 + 615^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467 + ... + 6830.

Almost surely, 2^22252554 is an apocalyptic number.

22252554 is an abundant number, since it is smaller than the sum of its proper divisors (26290746).

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

22252554 is a wasteful number, since it uses less digits than its factorization.

22252554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454 (or 8451 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22252554 is about 4717.2612817185. The cubic root of 22252554 is about 281.2720776743.

Adding to 22252554 its reverse (45525222), we get a palindrome (67777776).

The spelling of 22252554 in words is "twenty-two million, two hundred fifty-two thousand, five hundred fifty-four".