22470459 has 16 divisors (see below), whose sum is σ = 32989440. Its totient is φ = 13491360.

The previous prime is 22470439. The next prime is 22470473. The reversal of 22470459 is 95407422.

It is a de Polignac number, because none of the positive numbers 2^k-22470459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22470439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (2061840).

Almost surely, 2^22470459 is an apocalyptic number.

22470459 is a deficient number, since it is larger than the sum of its proper divisors (10518981).

22470459 is a wasteful number, since it uses less digits than its factorization.

22470459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22470459 is about 4740.3015726850. The cubic root of 22470459 is about 282.1872027961.

Multiplying 22470459 by its sum of digits (33), we get a palindrome (741525147).

The spelling of 22470459 in words is "twenty-two million, four hundred seventy thousand, four hundred fifty-nine".