249750222 has 16 divisors (see below), whose sum is σ = 513000912. Its totient is φ = 81000000.

The previous prime is 249750217. The next prime is 249750289. The reversal of 249750222 is 222057942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562279 + ... + 562722.

It is an arithmetic number, because the mean of its divisors is an integer number (32062557).

Almost surely, 2^249750222 is an apocalyptic number.

249750222 is an abundant number, since it is smaller than the sum of its proper divisors (263250690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249750222 is a wasteful number, since it uses less digits than its factorization.

249750222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125043.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 249750222 is about 15803.4876530467. The cubic root of 249750222 is about 629.7506546639.

The spelling of 249750222 in words is "two hundred forty-nine million, seven hundred fifty thousand, two hundred twenty-two".