102255222 has 16 divisors (see below), whose sum is σ = 205167600. Its totient is φ = 33975552.

The previous prime is 102255203. The next prime is 102255227. The reversal of 102255222 is 222552201.

It is a super-2 number, since 2×102255222² = 20912260852538568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102255227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25347 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (12822975).

Almost surely, 2^102255222 is an apocalyptic number.

102255222 is an abundant number, since it is smaller than the sum of its proper divisors (102912378).

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

102255222 is a wasteful number, since it uses less digits than its factorization.

102255222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54767.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 102255222 is about 10112.1324160634. The cubic root of 102255222 is about 467.6222479544.

The spelling of 102255222 in words is "one hundred two million, two hundred fifty-five thousand, two hundred twenty-two".