122622420 has 48 divisors (see below), whose sum is σ = 347215680. Its totient is φ = 32330496.

The previous prime is 122622397. The next prime is 122622421. The reversal of 122622420 is 24226221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122622421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6142 + ... + 16821.

It is an arithmetic number, because the mean of its divisors is an integer number (7233660).

Almost surely, 2^122622420 is an apocalyptic number.

122622420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122622420 is an abundant number, since it is smaller than the sum of its proper divisors (224593260).

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

122622420 is a wasteful number, since it uses less digits than its factorization.

122622420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064 (or 23062 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 122622420 is about 11073.5008014629. The cubic root of 122622420 is about 496.8095790613.

Adding to 122622420 its reverse (24226221), we get a palindrome (146848641).

The spelling of 122622420 in words is "one hundred twenty-two million, six hundred twenty-two thousand, four hundred twenty".