2192271720 has 64 divisors (see below), whose sum is σ = 6963693120. Its totient is φ = 550216704.

The previous prime is 2192271707. The next prime is 2192271773. The reversal of 2192271720 is 271722912.

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, 535282 + ... + 539361.

It is an arithmetic number, because the mean of its divisors is an integer number (108807705).

Almost surely, 2^2192271720 is an apocalyptic number.

2192271720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2192271720 is an abundant number, since it is smaller than the sum of its proper divisors (4771421400).

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

2192271720 is a wasteful number, since it uses less digits than its factorization.

2192271720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074674 (or 1074670 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2192271720 is about 46821.7013787410. The cubic root of 2192271720 is about 1299.0667305611.

The spelling of 2192271720 in words is "two billion, one hundred ninety-two million, two hundred seventy-one thousand, seven hundred twenty".