250666222 has 4 divisors (see below), whose sum is σ = 375999336. Its totient is φ = 125333110.

The previous prime is 250666219. The next prime is 250666243. The reversal of 250666222 is 222666052.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62666554 + ... + 62666557.

It is an arithmetic number, because the mean of its divisors is an integer number (93999834).

Almost surely, 2^250666222 is an apocalyptic number.

250666222 is a deficient number, since it is larger than the sum of its proper divisors (125333114).

250666222 is a wasteful number, since it uses less digits than its factorization.

250666222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125333113.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 250666222 is about 15832.4420731610. The cubic root of 250666222 is about 630.5196200137.

The spelling of 250666222 in words is "two hundred fifty million, six hundred sixty-six thousand, two hundred twenty-two".