49218224 has 20 divisors (see below), whose sum is σ = 104029800. Its totient is φ = 22371840.

The previous prime is 49218203. The next prime is 49218233. The reversal of 49218224 is 42281294.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139649 + ... + 140000.

It is an arithmetic number, because the mean of its divisors is an integer number (5201490).

Almost surely, 2^49218224 is an apocalyptic number.

49218224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49218224 is an abundant number, since it is smaller than the sum of its proper divisors (54811576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49218224 is a wasteful number, since it uses less digits than its factorization.

49218224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279668 (or 279662 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 49218224 is about 7015.5701122574. The cubic root of 49218224 is about 366.4729967132.

The spelling of 49218224 in words is "forty-nine million, two hundred eighteen thousand, two hundred twenty-four".