22151852 has 36 divisors (see below), whose sum is σ = 41709360. Its totient is φ = 10273824.

The previous prime is 22151819. The next prime is 22151869. The reversal of 22151852 is 25815122.

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, 203174 + ... + 203282.

Almost surely, 2^22151852 is an apocalyptic number.

It is an amenable number.

22151852 is a deficient number, since it is larger than the sum of its proper divisors (19557508).

22151852 is a wasteful number, since it uses less digits than its factorization.

22151852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 181 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 22151852 is about 4706.5754004371. The cubic root of 22151852 is about 280.8471452457.

Adding to 22151852 its reverse (25815122), we get a palindrome (47966974).

The spelling of 22151852 in words is "twenty-two million, one hundred fifty-one thousand, eight hundred fifty-two".