22277136 has 40 divisors (see below), whose sum is σ = 65771584. Its totient is φ = 6364800.

The previous prime is 22277081. The next prime is 22277137. The reversal of 22277136 is 63177222.

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

It is not an unprimeable number, because it can be changed into a prime (22277137) by changing a digit.

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, 32815 + ... + 33486.

Almost surely, 2^22277136 is an apocalyptic number.

It is an amenable number.

22277136 is an abundant number, since it is smaller than the sum of its proper divisors (43494448).

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

22277136 is a wasteful number, since it uses less digits than its factorization.

22277136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66319 (or 66313 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 22277136 is about 4719.8660997956. The cubic root of 22277136 is about 281.3756116442.

The spelling of 22277136 in words is "twenty-two million, two hundred seventy-seven thousand, one hundred thirty-six".