122522650 has 12 divisors (see below), whose sum is σ = 227892222. Its totient is φ = 49009040.

The previous prime is 122522627. The next prime is 122522681. The reversal of 122522650 is 56225221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 117310561 + 5212089 = 10831^2 + 2283^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 1225177 + ... + 1225276.

Almost surely, 2^122522650 is an apocalyptic number.

122522650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122522650 is a deficient number, since it is larger than the sum of its proper divisors (105369572).

122522650 is a wasteful number, since it uses less digits than its factorization.

122522650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450465 (or 2450460 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 122522650 is about 11068.9949859958. The cubic root of 122522650 is about 496.6748018026.

Adding to 122522650 its reverse (56225221), we get a palindrome (178747871).

The spelling of 122522650 in words is "one hundred twenty-two million, five hundred twenty-two thousand, six hundred fifty".