1397037922224 has 720 divisors, whose sum is σ = 4673338387200. Its totient is φ = 350884638720.

The previous prime is 1397037922213. The next prime is 1397037922261. The reversal of 1397037922224 is 4222297307931.

It is a super-2 number, since 2×1397037922224² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20851312239 + ... + 20851312305.

It is an arithmetic number, because the mean of its divisors is an integer number (6490747760).

Almost surely, 2^{1397037922224} is an apocalyptic number.

1397037922224 is a gapful number since it is divisible by the number (14) 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 1397037922224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2336669193600).

1397037922224 is an abundant number, since it is smaller than the sum of its proper divisors (3276300464976).

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

1397037922224 is a wasteful number, since it uses less digits than its factorization.

1397037922224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 1397037922224 in words is "one trillion, three hundred ninety-seven billion, thirty-seven million, nine hundred twenty-two thousand, two hundred twenty-four".