22307056 has 20 divisors (see below), whose sum is σ = 45099792. Its totient is φ = 10668416.

The previous prime is 22307027. The next prime is 22307057. The reversal of 22307056 is 65070322.

It is a super-3 number, since 3×22307056³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22307056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22307057) 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, 29941 + ... + 30676.

Almost surely, 2^22307056 is an apocalyptic number.

It is an amenable number.

22307056 is an abundant number, since it is smaller than the sum of its proper divisors (22792736).

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

22307056 is a wasteful number, since it uses less digits than its factorization.

22307056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60648 (or 60642 counting only the distinct ones).

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

The square root of 22307056 is about 4723.0346177008. The cubic root of 22307056 is about 281.5015253775.

Adding to 22307056 its reverse (65070322), we get a palindrome (87377378).

The spelling of 22307056 in words is "twenty-two million, three hundred seven thousand, fifty-six".