22315456 has 28 divisors (see below), whose sum is σ = 44439840. Its totient is φ = 11118080.

The previous prime is 22315453. The next prime is 22315483. The reversal of 22315456 is 65451322.

It is a super-3 number, since 3×22315456³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315453) 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, 27180 + ... + 27988.

Almost surely, 2^22315456 is an apocalyptic number.

It is an amenable number.

22315456 is a deficient number, since it is larger than the sum of its proper divisors (22124384).

22315456 is an equidigital number, since it uses as much as digits as its factorization.

22315456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1242 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 22315456 is about 4723.9237927807. The cubic root of 22315456 is about 281.5368552460.

Adding to 22315456 its reverse (65451322), we get a palindrome (87766778).

The spelling of 22315456 in words is "twenty-two million, three hundred fifteen thousand, four hundred fifty-six".