22456330 has 16 divisors (see below), whose sum is σ = 43530984. Its totient is φ = 8291520.

The previous prime is 22456327. The next prime is 22456331. The reversal of 22456330 is 3365422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8684809 + 13771521 = 2947^2 + 3711^2 .

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 22456295 and 22456304.

It is not an unprimeable number, because it can be changed into a prime (22456331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86241 + ... + 86500.

Almost surely, 2^22456330 is an apocalyptic number.

22456330 is a deficient number, since it is larger than the sum of its proper divisors (21074654).

22456330 is a wasteful number, since it uses less digits than its factorization.

22456330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172761.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22456330 is about 4738.8110323160. The cubic root of 22456330 is about 282.1280457352.

The spelling of 22456330 in words is "twenty-two million, four hundred fifty-six thousand, three hundred thirty".