122522406 has 16 divisors (see below), whose sum is σ = 246463344. Its totient is φ = 40604384.

The previous prime is 122522381. The next prime is 122522423. The reversal of 122522406 is 604225221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57981 + ... + 60056.

It is an arithmetic number, because the mean of its divisors is an integer number (15403959).

Almost surely, 2^122522406 is an apocalyptic number.

122522406 is an abundant number, since it is smaller than the sum of its proper divisors (123940938).

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

122522406 is a wasteful number, since it uses less digits than its factorization.

122522406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118215.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 122522406 is about 11068.9839642128. The cubic root of 122522406 is about 496.6744720983.

Adding to 122522406 its reverse (604225221), we get a palindrome (726747627).

The spelling of 122522406 in words is "one hundred twenty-two million, five hundred twenty-two thousand, four hundred six".