22152075 has 36 divisors (see below), whose sum is σ = 40273464. Its totient is φ = 10736000.

The previous prime is 22152061. The next prime is 22152101. The reversal of 22152075 is 57025122.

It is not a de Polignac number, because 22152075 - 2⁷ = 22151947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7855 + ... + 10295.

Almost surely, 2^22152075 is an apocalyptic number.

22152075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22152075 is a deficient number, since it is larger than the sum of its proper divisors (18121389).

22152075 is a wasteful number, since it uses less digits than its factorization.

22152075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 22152075 is about 4706.5990906386. The cubic root of 22152075 is about 280.8480876605.

Adding to 22152075 its reverse (57025122), we get a palindrome (79177197).

The spelling of 22152075 in words is "twenty-two million, one hundred fifty-two thousand, seventy-five".