49522218 has 8 divisors (see below), whose sum is σ = 99044448. Its totient is φ = 16507404.

The previous prime is 49522211. The next prime is 49522223. The reversal of 49522218 is 81222594.

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

49522218 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (49522211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126846 + ... + 4126857.

It is an arithmetic number, because the mean of its divisors is an integer number (12380556).

Almost surely, 2^49522218 is an apocalyptic number.

49522218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49522218 is a wasteful number, since it uses less digits than its factorization.

49522218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253708.

The product of its digits is 11520, while the sum is 33.

The square root of 49522218 is about 7037.2024271013. The cubic root of 49522218 is about 367.2259496046.

The spelling of 49522218 in words is "forty-nine million, five hundred twenty-two thousand, two hundred eighteen".