22002152 has 16 divisors (see below), whose sum is σ = 43425600. Its totient is φ = 10422000.

The previous prime is 22002121. The next prime is 22002163. The reversal of 22002152 is 25120022.

It is a super-2 number, since 2×22002152² = 968189385262208, which contains 22 as substring.

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, 72224 + ... + 72527.

It is an arithmetic number, because the mean of its divisors is an integer number (2714100).

Almost surely, 2^22002152 is an apocalyptic number.

It is an amenable number.

22002152 is a deficient number, since it is larger than the sum of its proper divisors (21423448).

22002152 is a wasteful number, since it uses less digits than its factorization.

22002152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144776 (or 144772 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22002152 is about 4690.6451581845. The cubic root of 22002152 is about 280.2130691141.

Adding to 22002152 its reverse (25120022), we get a palindrome (47122174).

The spelling of 22002152 in words is "twenty-two million, two thousand, one hundred fifty-two".