22459306 has 4 divisors (see below), whose sum is σ = 33688962. Its totient is φ = 11229652.

The previous prime is 22459303. The next prime is 22459313. The reversal of 22459306 is 60395422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17986081 + 4473225 = 4241^2 + 2115^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22459303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614825 + ... + 5614828.

Almost surely, 2^22459306 is an apocalyptic number.

22459306 is a deficient number, since it is larger than the sum of its proper divisors (11229656).

22459306 is a wasteful number, since it uses less digits than its factorization.

22459306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229655.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 22459306 is about 4739.1250247277. The cubic root of 22459306 is about 282.1405080858.

The spelling of 22459306 in words is "twenty-two million, four hundred fifty-nine thousand, three hundred six".