249530222 has 16 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 120520920.

The previous prime is 249530219. The next prime is 249530251. The reversal of 249530222 is 222035942.

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, 33779 + ... + 40497.

It is an arithmetic number, because the mean of its divisors is an integer number (24192000).

Almost surely, 2^249530222 is an apocalyptic number.

249530222 is a deficient number, since it is larger than the sum of its proper divisors (137541778).

249530222 is a wasteful number, since it uses less digits than its factorization.

249530222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 249530222 is about 15796.5256306569. The cubic root of 249530222 is about 629.5656887363.

The spelling of 249530222 in words is "two hundred forty-nine million, five hundred thirty thousand, two hundred twenty-two".