122422420 has 12 divisors (see below), whose sum is σ = 257087124. Its totient is φ = 48968960.

The previous prime is 122422393. The next prime is 122422471. The reversal of 122422420 is 24224221.

It can be written as a sum of positive squares in 2 ways, for example, as 59505796 + 62916624 = 7714^2 + 7932^2 .

It is a congruent number.

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, 3060541 + ... + 3060580.

It is an arithmetic number, because the mean of its divisors is an integer number (21423927).

Almost surely, 2^122422420 is an apocalyptic number.

122422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122422420 is an abundant number, since it is smaller than the sum of its proper divisors (134664704).

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

122422420 is a wasteful number, since it uses less digits than its factorization.

122422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121130 (or 6121128 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 122422420 is about 11064.4665483701. The cubic root of 122422420 is about 496.5393294464.

Adding to 122422420 its reverse (24224221), we get a palindrome (146646641).

The spelling of 122422420 in words is "one hundred twenty-two million, four hundred twenty-two thousand, four hundred twenty".