2292131780 has 24 divisors (see below), whose sum is σ = 4842307008. Its totient is φ = 911361248.

The previous prime is 2292131771. The next prime is 2292131789. The reversal of 2292131780 is 871312922.

It is an interprime number because it is at equal distance from previous prime (2292131771) and next prime (2292131789).

It is a self number, because there is not a number n which added to its sum of digits gives 2292131780.

It is not an unprimeable number, because it can be changed into a prime (2292131789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339794 + ... + 346473.

It is an arithmetic number, because the mean of its divisors is an integer number (201762792).

Almost surely, 2^2292131780 is an apocalyptic number.

2292131780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2292131780 is an abundant number, since it is smaller than the sum of its proper divisors (2550175228).

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

2292131780 is a wasteful number, since it uses less digits than its factorization.

2292131780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686443 (or 686441 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2292131780 is about 47876.2130916805. The cubic root of 2292131780 is about 1318.4991704014.

The spelling of 2292131780 in words is "two billion, two hundred ninety-two million, one hundred thirty-one thousand, seven hundred eighty".