122196500 has 24 divisors (see below), whose sum is σ = 266878248. Its totient is φ = 48878400.

The previous prime is 122196499. The next prime is 122196509. The reversal of 122196500 is 5691221.

It can be written as a sum of positive squares in 4 ways, for example, as 1811716 + 120384784 = 1346^2 + 10972^2 .

It is a super-2 number, since 2×122196500² = 29863969224500000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122196500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122196509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121697 + ... + 122696.

It is an arithmetic number, because the mean of its divisors is an integer number (11119927).

Almost surely, 2^122196500 is an apocalyptic number.

122196500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122196500 is an abundant number, since it is smaller than the sum of its proper divisors (144681748).

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

122196500 is a wasteful number, since it uses less digits than its factorization.

122196500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244412 (or 244400 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 122196500 is about 11054.2525753666. The cubic root of 122196500 is about 496.2337012203.

The spelling of 122196500 in words is "one hundred twenty-two million, one hundred ninety-six thousand, five hundred".