122522399 has 4 divisors (see below), whose sum is σ = 122545680. Its totient is φ = 122499120.

The previous prime is 122522381. The next prime is 122522423. The reversal of 122522399 is 993225221.

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

It is a cyclic number.

It is not a de Polignac number, because 122522399 - 2¹⁶ = 122456863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122522599) 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, 419 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (30636420).

Almost surely, 2^122522399 is an apocalyptic number.

122522399 is a deficient number, since it is larger than the sum of its proper divisors (23281).

122522399 is an equidigital number, since it uses as much as digits as its factorization.

122522399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23280.

The product of its digits is 19440, while the sum is 35.

The square root of 122522399 is about 11068.9836480139. The cubic root of 122522399 is about 496.6744626396.

The spelling of 122522399 in words is "one hundred twenty-two million, five hundred twenty-two thousand, three hundred ninety-nine".