22449849 has 8 divisors (see below), whose sum is σ = 31508640. Its totient is φ = 14178816.

The previous prime is 22449841. The next prime is 22449851. The reversal of 22449849 is 94894422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22449849 - 2³ = 22449841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22449849.

It is not an unprimeable number, because it can be changed into a prime (22449841) 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, 196872 + ... + 196985.

It is an arithmetic number, because the mean of its divisors is an integer number (3938580).

Almost surely, 2^22449849 is an apocalyptic number.

It is an amenable number.

22449849 is a deficient number, since it is larger than the sum of its proper divisors (9058791).

22449849 is a wasteful number, since it uses less digits than its factorization.

22449849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393879.

The product of its digits is 165888, while the sum is 42.

The square root of 22449849 is about 4738.1271616536. The cubic root of 22449849 is about 282.1009019737.

The spelling of 22449849 in words is "twenty-two million, four hundred forty-nine thousand, eight hundred forty-nine".