22554152 has 8 divisors (see below), whose sum is σ = 42289050. Its totient is φ = 11277072.

The previous prime is 22554151. The next prime is 22554157. The reversal of 22554152 is 25145522.

It can be written as a sum of positive squares in only one way, i.e., 21031396 + 1522756 = 4586^2 + 1234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22554151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409627 + ... + 1409642.

Almost surely, 2^22554152 is an apocalyptic number.

It is an amenable number.

22554152 is a deficient number, since it is larger than the sum of its proper divisors (19734898).

22554152 is a wasteful number, since it uses less digits than its factorization.

22554152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819275 (or 2819271 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 22554152 is about 4749.1211818609. The cubic root of 22554152 is about 282.5371115784.

Adding to 22554152 its reverse (25145522), we get a palindrome (47699674).

The spelling of 22554152 in words is "twenty-two million, five hundred fifty-four thousand, one hundred fifty-two".