122322420 has 96 divisors (see below), whose sum is σ = 415175040. Its totient is φ = 29652480.

The previous prime is 122322419. The next prime is 122322427. The reversal of 122322420 is 24223221.

122322420 is a `hidden beast` number, since 1 + 223 + 22 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122322393 and 122322402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122322427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4357 + ... + 16236.

It is an arithmetic number, because the mean of its divisors is an integer number (4324740).

Almost surely, 2^122322420 is an apocalyptic number.

122322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122322420 is an abundant number, since it is smaller than the sum of its proper divisors (292852620).

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

122322420 is a wasteful number, since it uses less digits than its factorization.

122322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20622 (or 20614 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122322420 is about 11059.9466544826. The cubic root of 122322420 is about 496.4040942530.

Adding to 122322420 its reverse (24223221), we get a palindrome (146545641).

The spelling of 122322420 in words is "one hundred twenty-two million, three hundred twenty-two thousand, four hundred twenty".