249165422 has 16 divisors (see below), whose sum is σ = 407970432. Its totient is φ = 113188920.

The previous prime is 249165407. The next prime is 249165439. The reversal of 249165422 is 224561942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61553 + ... + 65475.

It is an arithmetic number, because the mean of its divisors is an integer number (25498152).

Almost surely, 2^249165422 is an apocalyptic number.

249165422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249165422 is a deficient number, since it is larger than the sum of its proper divisors (158805010).

249165422 is a wasteful number, since it uses less digits than its factorization.

249165422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823.

The product of its digits is 34560, while the sum is 35.

The square root of 249165422 is about 15784.9745644394. The cubic root of 249165422 is about 629.2587418502.

The spelling of 249165422 in words is "two hundred forty-nine million, one hundred sixty-five thousand, four hundred twenty-two".