22316772 has 24 divisors (see below), whose sum is σ = 53480896. Its totient is φ = 7237728.

The previous prime is 22316771. The next prime is 22316779. The reversal of 22316772 is 27761322.

It is a super-3 number, since 3×22316772³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22316771) 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, 24688 + ... + 25575.

Almost surely, 2^22316772 is an apocalyptic number.

It is an amenable number.

22316772 is an abundant number, since it is smaller than the sum of its proper divisors (31164124).

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

22316772 is a wasteful number, since it uses less digits than its factorization.

22316772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50307 (or 50305 counting only the distinct ones).

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

The square root of 22316772 is about 4724.0630817126. The cubic root of 22316772 is about 281.5423894554.

The spelling of 22316772 in words is "twenty-two million, three hundred sixteen thousand, seven hundred seventy-two".