122217160 has 64 divisors (see below), whose sum is σ = 301074480. Its totient is φ = 44375040.

The previous prime is 122217149. The next prime is 122217259. The reversal of 122217160 is 61712221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34644996 + 87572164 = 5886^2 + 9358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29794 + ... + 33646.

Almost surely, 2^122217160 is an apocalyptic number.

122217160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122217160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150537240).

122217160 is an abundant number, since it is smaller than the sum of its proper divisors (178857320).

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

122217160 is a wasteful number, since it uses less digits than its factorization.

122217160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3934 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 122217160 is about 11055.1870178663. The cubic root of 122217160 is about 496.2616660434.

Adding to 122217160 its reverse (61712221), we get a palindrome (183929381).

The spelling of 122217160 in words is "one hundred twenty-two million, two hundred seventeen thousand, one hundred sixty".