49224181 has 4 divisors (see below), whose sum is σ = 50271552. Its totient is φ = 48176812.

The previous prime is 49224179. The next prime is 49224199. The reversal of 49224181 is 18142294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49224181 - 2¹ = 49224179 is a prime.

It is a super-2 number, since 2×49224181² = 4846039990241522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49224101) 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 3 ways as a sum of consecutive naturals, for example, 523615 + ... + 523708.

It is an arithmetic number, because the mean of its divisors is an integer number (12567888).

Almost surely, 2^49224181 is an apocalyptic number.

It is an amenable number.

49224181 is a deficient number, since it is larger than the sum of its proper divisors (1047371).

49224181 is a wasteful number, since it uses less digits than its factorization.

49224181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047370.

The product of its digits is 4608, while the sum is 31.

The square root of 49224181 is about 7015.9946550721. The cubic root of 49224181 is about 366.4877811528.

The spelling of 49224181 in words is "forty-nine million, two hundred twenty-four thousand, one hundred eighty-one".