253866222 has 12 divisors (see below), whose sum is σ = 550043520. Its totient is φ = 84622068.

The previous prime is 253866133. The next prime is 253866233. The reversal of 253866222 is 222668352.

253866222 is a `hidden beast` number, since 25 + 3 + 8 + 6 + 622 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7051822 + ... + 7051857.

It is an arithmetic number, because the mean of its divisors is an integer number (45836960).

Almost surely, 2^253866222 is an apocalyptic number.

253866222 is an abundant number, since it is smaller than the sum of its proper divisors (296177298).

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

253866222 is a wasteful number, since it uses less digits than its factorization.

253866222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103687 (or 14103684 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 253866222 is about 15933.1799086058. The cubic root of 253866222 is about 633.1913499509.

The spelling of 253866222 in words is "two hundred fifty-three million, eight hundred sixty-six thousand, two hundred twenty-two".