122265550 has 96 divisors (see below), whose sum is σ = 262268928. Its totient is φ = 42000000.

The previous prime is 122265529. The next prime is 122265571. The reversal of 122265550 is 55562221.

It is an interprime number because it is at equal distance from previous prime (122265529) and next prime (122265571).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1210500 + ... + 1210600.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 2^122265550 is an apocalyptic number.

122265550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122265550 is an abundant number, since it is smaller than the sum of its proper divisors (140003378).

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

122265550 is a wasteful number, since it uses less digits than its factorization.

122265550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 122265550 is about 11057.3753666953. The cubic root of 122265550 is about 496.3271531196.

The spelling of 122265550 in words is "one hundred twenty-two million, two hundred sixty-five thousand, five hundred fifty".