122320331 has 4 divisors (see below), whose sum is σ = 139794672. Its totient is φ = 104845992.

The previous prime is 122320283. The next prime is 122320379. The reversal of 122320331 is 133023221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122320283) and next prime (122320379).

It is a cyclic number.

It is not a de Polignac number, because 122320331 - 2⁶ = 122320267 is a prime.

It is a super-2 number, since 2×122320331² = 29924526751899122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122320381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8737160 + ... + 8737173.

It is an arithmetic number, because the mean of its divisors is an integer number (34948668).

Almost surely, 2^122320331 is an apocalyptic number.

122320331 is a deficient number, since it is larger than the sum of its proper divisors (17474341).

122320331 is an equidigital number, since it uses as much as digits as its factorization.

122320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474340.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 122320331 is about 11059.8522142025. The cubic root of 122320331 is about 496.4012684041.

Adding to 122320331 its reverse (133023221), we get a palindrome (255343552).

The spelling of 122320331 in words is "one hundred twenty-two million, three hundred twenty thousand, three hundred thirty-one".