312422232021400 has 96 divisors (see below), whose sum is σ = 769295252733840. Its totient is φ = 117589454991360.

The previous prime is 312422232021329. The next prime is 312422232021479. The reversal of 312422232021400 is 4120232224213.

It is a super-2 number, since 2×312422232021400² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3057247 + ... + 25183153.

Almost surely, 2^{312422232021400} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312422232021400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384647626366920).

312422232021400 is an abundant number, since it is smaller than the sum of its proper divisors (456873020712440).

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

312422232021400 is a wasteful number, since it uses less digits than its factorization.

312422232021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130093 (or 22130084 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 312422232021400 its reverse (4120232224213), we get a palindrome (316542464245613).

The spelling of 312422232021400 in words is "three hundred twelve trillion, four hundred twenty-two billion, two hundred thirty-two million, twenty-one thousand, four hundred".