102221502 has 8 divisors (see below), whose sum is σ = 204443016. Its totient is φ = 34073832.

The previous prime is 102221479. The next prime is 102221513. The reversal of 102221502 is 205122201.

It is a sphenic number, since it is the product of 3 distinct primes.

102221502 is an admirable number.

It is a super-2 number, since 2×102221502² = 20898470942272008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8518453 + ... + 8518464.

It is an arithmetic number, because the mean of its divisors is an integer number (25555377).

Almost surely, 2^102221502 is an apocalyptic number.

102221502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102221502 is a wasteful number, since it uses less digits than its factorization.

102221502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036922.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 102221502 is about 10110.4649744708. The cubic root of 102221502 is about 467.5708407810.

Adding to 102221502 its reverse (205122201), we get a palindrome (307343703).

The spelling of 102221502 in words is "one hundred two million, two hundred twenty-one thousand, five hundred two".