10172228990 has 96 divisors (see below), whose sum is σ = 23269680000. Its totient is φ = 3165933120.

The previous prime is 10172228981. The next prime is 10172229031. The reversal of 10172228990 is 9982227101.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6785261 + ... + 6786759.

It is an arithmetic number, because the mean of its divisors is an integer number (242392500).

Almost surely, 2^10172228990 is an apocalyptic number.

10172228990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10172228990 is an abundant number, since it is smaller than the sum of its proper divisors (13097451010).

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

10172228990 is a wasteful number, since it uses less digits than its factorization.

10172228990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 10172228990 in words is "ten billion, one hundred seventy-two million, two hundred twenty-eight thousand, nine hundred ninety".