249422 has 8 divisors (see below), whose sum is σ = 376272. Its totient is φ = 124000.

The previous prime is 249421. The next prime is 249427. The reversal of 249422 is 224942.

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

It is a super-2 number, since 2×249422² = 124422668168, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249422.

It is not an unprimeable number, because it can be changed into a prime (249421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 422 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (47034).

2²⁴⁹⁴²² is an apocalyptic number.

249422 is a deficient number, since it is larger than the sum of its proper divisors (126850).

249422 is a wasteful number, since it uses less digits than its factorization.

249422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its digits is 1152, while the sum is 23.

The square root of 249422 is about 499.4216655292. The cubic root of 249422 is about 62.9474660738.

It can be divided in two parts, 24 and 9422, that multiplied together give a triangular number (226128 = T₆₇₂).

The spelling of 249422 in words is "two hundred forty-nine thousand, four hundred twenty-two".