22472018 has 16 divisors (see below), whose sum is σ = 34745760. Its totient is φ = 10893600.

The previous prime is 22471963. The next prime is 22472039. The reversal of 22472018 is 81027422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13913 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (2171610).

Almost surely, 2^22472018 is an apocalyptic number.

22472018 is a deficient number, since it is larger than the sum of its proper divisors (12273742).

22472018 is a wasteful number, since it uses less digits than its factorization.

22472018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 22472018 is about 4740.4660108475. The cubic root of 22472018 is about 282.1937286927.

The spelling of 22472018 in words is "twenty-two million, four hundred seventy-two thousand, eighteen".