249061222 has 16 divisors (see below), whose sum is σ = 388197360. Its totient is φ = 119700448.

The previous prime is 249061213. The next prime is 249061279. The reversal of 249061222 is 222160942.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3708 + ... + 22624.

It is an arithmetic number, because the mean of its divisors is an integer number (24262335).

Almost surely, 2^249061222 is an apocalyptic number.

249061222 is a deficient number, since it is larger than the sum of its proper divisors (139136138).

249061222 is a wasteful number, since it uses less digits than its factorization.

249061222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19175.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 249061222 is about 15781.6736121363. The cubic root of 249061222 is about 629.1710117755.

The spelling of 249061222 in words is "two hundred forty-nine million, sixty-one thousand, two hundred twenty-two".