102255022 has 4 divisors (see below), whose sum is σ = 153382536. Its totient is φ = 51127510.

The previous prime is 102255011. The next prime is 102255061. The reversal of 102255022 is 220552201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220552201 = 14851².

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, 25563754 + ... + 25563757.

It is an arithmetic number, because the mean of its divisors is an integer number (38345634).

Almost surely, 2^102255022 is an apocalyptic number.

102255022 is a deficient number, since it is larger than the sum of its proper divisors (51127514).

102255022 is an equidigital number, since it uses as much as digits as its factorization.

102255022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51127513.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 102255022 is about 10112.1225269475. The cubic root of 102255022 is about 467.6219430815.

The spelling of 102255022 in words is "one hundred two million, two hundred fifty-five thousand, twenty-two".