9722275251380 has 48 divisors (see below), whose sum is σ = 20450249971200. Its totient is φ = 3882538492800.

The previous prime is 9722275251313. The next prime is 9722275251433. The reversal of 9722275251380 is 831525722279.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39268175 + ... + 39514985.

It is an arithmetic number, because the mean of its divisors is an integer number (426046874400).

Almost surely, 2^{9722275251380} is an apocalyptic number.

It is an amenable number.

9722275251380 is an abundant number, since it is smaller than the sum of its proper divisors (10727974719820).

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

9722275251380 is a wasteful number, since it uses less digits than its factorization.

9722275251380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250040 (or 250038 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 9722275251380 in words is "nine trillion, seven hundred twenty-two billion, two hundred seventy-five million, two hundred fifty-one thousand, three hundred eighty".