22232136 has 32 divisors (see below), whose sum is σ = 55729440. Its totient is φ = 7390848.

The previous prime is 22232117. The next prime is 22232143. The reversal of 22232136 is 63123222.

It is a super-2 number, since 2×22232136² = 988535742244992, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9955 + ... + 11981.

It is an arithmetic number, because the mean of its divisors is an integer number (1741545).

Almost surely, 2^22232136 is an apocalyptic number.

It is an amenable number.

22232136 is an abundant number, since it is smaller than the sum of its proper divisors (33497304).

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

22232136 is a wasteful number, since it uses less digits than its factorization.

22232136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2489 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 22232136 is about 4715.0966055851. The cubic root of 22232136 is about 281.1860235717.

Adding to 22232136 its reverse (63123222), we get a palindrome (85355358).

The spelling of 22232136 in words is "twenty-two million, two hundred thirty-two thousand, one hundred thirty-six".