122216352 has 24 divisors (see below), whose sum is σ = 320818176. Its totient is φ = 40738752.

The previous prime is 122216333. The next prime is 122216377. The reversal of 122216352 is 253612221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636448 + ... + 636639.

It is an arithmetic number, because the mean of its divisors is an integer number (13367424).

Almost surely, 2^122216352 is an apocalyptic number.

122216352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122216352 is an abundant number, since it is smaller than the sum of its proper divisors (198601824).

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

122216352 is a wasteful number, since it uses less digits than its factorization.

122216352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273100 (or 1273092 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 122216352 is about 11055.1504738742. The cubic root of 122216352 is about 496.2605724155.

Adding to 122216352 its reverse (253612221), we get a palindrome (375828573).

The spelling of 122216352 in words is "one hundred twenty-two million, two hundred sixteen thousand, three hundred fifty-two".