249622 has 8 divisors (see below), whose sum is σ = 394200. Its totient is φ = 118224.

The previous prime is 249607. The next prime is 249647. The reversal of 249622 is 226942.

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

It is a super-2 number, since 2×249622² = 124622285768, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3247 + ... + 3322.

It is an arithmetic number, because the mean of its divisors is an integer number (49275).

2²⁴⁹⁶²² is an apocalyptic number.

249622 is a deficient number, since it is larger than the sum of its proper divisors (144578).

249622 is a wasteful number, since it uses less digits than its factorization.

249622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590.

The product of its digits is 1728, while the sum is 25.

The square root of 249622 is about 499.6218570079. The cubic root of 249622 is about 62.9642864688.

It can be divided in two parts, 24962 and 2, that added together give a square (24964 = 158²).

The spelling of 249622 in words is "two hundred forty-nine thousand, six hundred twenty-two".