22272708 has 12 divisors (see below), whose sum is σ = 51969680. Its totient is φ = 7424232.

The previous prime is 22272697. The next prime is 22272709. The reversal of 22272708 is 80727222.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22272709) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 928018 + ... + 928041.

Almost surely, 2^22272708 is an apocalyptic number.

It is an amenable number.

22272708 is an abundant number, since it is smaller than the sum of its proper divisors (29696972).

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

22272708 is a wasteful number, since it uses less digits than its factorization.

22272708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856066 (or 1856064 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 22272708 is about 4719.3969953798. The cubic root of 22272708 is about 281.3569675095.

The spelling of 22272708 in words is "twenty-two million, two hundred seventy-two thousand, seven hundred eight".