249166222 has 16 divisors (see below), whose sum is σ = 392494752. Its totient is φ = 118404000.

The previous prime is 249166217. The next prime is 249166277. The reversal of 249166222 is 222661942.

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, 10029 + ... + 24472.

It is an arithmetic number, because the mean of its divisors is an integer number (24530922).

Almost surely, 2^249166222 is an apocalyptic number.

249166222 is a deficient number, since it is larger than the sum of its proper divisors (143328530).

249166222 is a wasteful number, since it uses less digits than its factorization.

249166222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34683.

The product of its digits is 20736, while the sum is 34.

The square root of 249166222 is about 15784.9999049731. Note that the first 4 decimals coincide. The cubic root of 249166222 is about 629.2594153070.

The spelling of 249166222 in words is "two hundred forty-nine million, one hundred sixty-six thousand, two hundred twenty-two".