22162236 has 24 divisors (see below), whose sum is σ = 52026240. Its totient is φ = 7342512.

The previous prime is 22162213. The next prime is 22162249. The reversal of 22162236 is 63226122.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (2167760).

Almost surely, 2^22162236 is an apocalyptic number.

It is an amenable number.

22162236 is an abundant number, since it is smaller than the sum of its proper divisors (29864004).

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

22162236 is a wasteful number, since it uses less digits than its factorization.

22162236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233 (or 11231 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 22162236 is about 4707.6784087276. The cubic root of 22162236 is about 280.8910221066.

Adding to 22162236 its reverse (63226122), we get a palindrome (85388358).

The spelling of 22162236 in words is "twenty-two million, one hundred sixty-two thousand, two hundred thirty-six".