22201836 has 24 divisors (see below), whose sum is σ = 52430784. Its totient is φ = 7311120.

The previous prime is 22201819. The next prime is 22201867. The reversal of 22201836 is 63810222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10150 + ... + 12141.

It is an arithmetic number, because the mean of its divisors is an integer number (2184616).

Almost surely, 2^22201836 is an apocalyptic number.

It is an amenable number.

22201836 is an abundant number, since it is smaller than the sum of its proper divisors (30228948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201836 is a wasteful number, since it uses less digits than its factorization.

22201836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22381 (or 22379 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22201836 is about 4711.8824263770. The cubic root of 22201836 is about 281.0582234354.

The spelling of 22201836 in words is "twenty-two million, two hundred one thousand, eight hundred thirty-six".