249481022 has 16 divisors (see below), whose sum is σ = 429522912. Its totient is φ = 106460160.

The previous prime is 249480991. The next prime is 249481049. The reversal of 249481022 is 220184942.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 249481022.

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, 34979 + ... + 41502.

It is an arithmetic number, because the mean of its divisors is an integer number (26845182).

Almost surely, 2^249481022 is an apocalyptic number.

249481022 is a deficient number, since it is larger than the sum of its proper divisors (180041890).

249481022 is a wasteful number, since it uses less digits than its factorization.

249481022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76723.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 249481022 is about 15794.9682494141. The cubic root of 249481022 is about 629.5243087548.

The spelling of 249481022 in words is "two hundred forty-nine million, four hundred eighty-one thousand, twenty-two".