102230402 has 8 divisors (see below), whose sum is σ = 153410700. Its totient is φ = 51093504.

The previous prime is 102230399. The next prime is 102230413. The reversal of 102230402 is 204032201.

It can be written as a sum of positive squares in 2 ways, for example, as 101022601 + 1207801 = 10051^2 + 1099^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127 + ... + 14882.

Almost surely, 2^102230402 is an apocalyptic number.

102230402 is a deficient number, since it is larger than the sum of its proper divisors (51180298).

102230402 is a wasteful number, since it uses less digits than its factorization.

102230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21700.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102230402 is about 10110.9051029075. The cubic root of 102230402 is about 467.5844102018.

Adding to 102230402 its reverse (204032201), we get a palindrome (306262603).

The spelling of 102230402 in words is "one hundred two million, two hundred thirty thousand, four hundred two".