102242522 has 16 divisors (see below), whose sum is σ = 163237032. Its totient is φ = 47861760.

The previous prime is 102242467. The next prime is 102242537. The reversal of 102242522 is 225242201.

102242522 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 80442961 + 21799561 = 8969^2 + 4669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102242494 and 102242503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 14352.

Almost surely, 2^102242522 is an apocalyptic number.

102242522 is a deficient number, since it is larger than the sum of its proper divisors (60994510).

102242522 is a wasteful number, since it uses less digits than its factorization.

102242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 102242522 is about 10111.5044380151. The cubic root of 102242522 is about 467.6028877420.

Adding to 102242522 its reverse (225242201), we get a palindrome (327484723).

The spelling of 102242522 in words is "one hundred two million, two hundred forty-two thousand, five hundred twenty-two".