22449170 has 16 divisors (see below), whose sum is σ = 40678848. Its totient is φ = 8919600.

The previous prime is 22449149. The next prime is 22449191. The reversal of 22449170 is 7194422.

It is an interprime number because it is at equal distance from previous prime (22449149) and next prime (22449191).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5924 + ... + 8943.

It is an arithmetic number, because the mean of its divisors is an integer number (2542428).

Almost surely, 2^22449170 is an apocalyptic number.

22449170 is a deficient number, since it is larger than the sum of its proper divisors (18229678).

22449170 is a wasteful number, since it uses less digits than its factorization.

22449170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22449170 is about 4738.0555083283. The cubic root of 22449170 is about 282.0980578797.

It can be divided in two parts, 224 and 49170, that added together give a palindrome (49394).

The spelling of 22449170 in words is "twenty-two million, four hundred forty-nine thousand, one hundred seventy".