102622660 has 36 divisors (see below), whose sum is σ = 250694892. Its totient is φ = 35184576.

The previous prime is 102622657. The next prime is 102622661. The reversal of 102622660 is 66226201.

It can be written as a sum of positive squares in 2 ways, for example, as 20575296 + 82047364 = 4536^2 + 9058^2 .

It is not an unprimeable number, because it can be changed into a prime (102622661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51379 + ... + 53338.

It is an arithmetic number, because the mean of its divisors is an integer number (6963747).

Almost surely, 2^102622660 is an apocalyptic number.

102622660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102622660 is an abundant number, since it is smaller than the sum of its proper divisors (148072232).

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

102622660 is a wasteful number, since it uses less digits than its factorization.

102622660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104740 (or 104731 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 102622660 is about 10130.2843000579. The cubic root of 102622660 is about 468.1816873152.

Adding to 102622660 its reverse (66226201), we get a palindrome (168848861).

The spelling of 102622660 in words is "one hundred two million, six hundred twenty-two thousand, six hundred sixty".