22313572 has 12 divisors (see below), whose sum is σ = 39308416. Its totient is φ = 11082600.

The previous prime is 22313569. The next prime is 22313573. The reversal of 22313572 is 27531322.

It is a super-3 number, since 3×22313572³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22313573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17868 + ... + 19075.

Almost surely, 2^22313572 is an apocalyptic number.

It is an amenable number.

22313572 is a deficient number, since it is larger than the sum of its proper divisors (16994844).

22313572 is a wasteful number, since it uses less digits than its factorization.

22313572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37098 (or 37096 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 22313572 is about 4723.7243780729. The cubic root of 22313572 is about 281.5289320326.

Adding to 22313572 its reverse (27531322), we get a palindrome (49844894).

The spelling of 22313572 in words is "twenty-two million, three hundred thirteen thousand, five hundred seventy-two".