122220562800 has 720 divisors, whose sum is σ = 495008793600. Its totient is φ = 25604812800.

The previous prime is 122220562777. The next prime is 122220562837. The reversal of 122220562800 is 8265022221.

It is a super-2 number, since 2×122220562800² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 34631436 + ... + 34634964.

Almost surely, 2^122220562800 is an apocalyptic number.

122220562800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122220562800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247504396800).

122220562800 is an abundant number, since it is smaller than the sum of its proper divisors (372788230800).

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

122220562800 is a wasteful number, since it uses less digits than its factorization.

122220562800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 122220562800 in words is "one hundred twenty-two billion, two hundred twenty million, five hundred sixty-two thousand, eight hundred".