49161222 has 32 divisors (see below), whose sum is σ = 119180160. Its totient is φ = 14897160.

The previous prime is 49161191. The next prime is 49161239. The reversal of 49161222 is 22216194.

49161222 is a `hidden beast` number, since 49 + 1 + 612 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40788 + ... + 41975.

It is an arithmetic number, because the mean of its divisors is an integer number (3724380).

Almost surely, 2^49161222 is an apocalyptic number.

49161222 is an abundant number, since it is smaller than the sum of its proper divisors (70018938).

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

49161222 is a wasteful number, since it uses less digits than its factorization.

49161222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82785 (or 82779 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 49161222 is about 7011.5064001968. The cubic root of 49161222 is about 366.3314653744.

The spelling of 49161222 in words is "forty-nine million, one hundred sixty-one thousand, two hundred twenty-two".