22107152 has 10 divisors (see below), whose sum is σ = 42832638. Its totient is φ = 11053568.

The previous prime is 22107149. The next prime is 22107161. The reversal of 22107152 is 25170122.

It can be written as a sum of positive squares in only one way, i.e., 21492496 + 614656 = 4636^2 + 784^2 .

It is a super-2 number, since 2×22107152² = 977452339102208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690833 + ... + 690864.

Almost surely, 2^22107152 is an apocalyptic number.

It is an amenable number.

22107152 is a deficient number, since it is larger than the sum of its proper divisors (20725486).

22107152 is a wasteful number, since it uses less digits than its factorization.

22107152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381705 (or 1381699 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 22107152 is about 4701.8243267906. The cubic root of 22107152 is about 280.6581118264.

Adding to 22107152 its reverse (25170122), we get a palindrome (47277274).

The spelling of 22107152 in words is "twenty-two million, one hundred seven thousand, one hundred fifty-two".