22313552 has 20 divisors (see below), whose sum is σ = 44628096. Its totient is φ = 10796640.

The previous prime is 22313539. The next prime is 22313561. The reversal of 22313552 is 25531322.

22313552 is an admirable number.

It is a super-3 number, since 3×22313552³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21998 + ... + 22989.

Almost surely, 2^22313552 is an apocalyptic number.

It is an amenable number.

22313552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22313552 is a wasteful number, since it uses less digits than its factorization.

22313552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026 (or 45020 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 22313552 is about 4723.7222610988. The cubic root of 22313552 is about 281.5288479196.

Adding to 22313552 its reverse (25531322), we get a palindrome (47844874).

The spelling of 22313552 in words is "twenty-two million, three hundred thirteen thousand, five hundred fifty-two".