2131222847 has 8 divisors (see below), whose sum is σ = 2374307040. Its totient is φ = 1899444960.

The previous prime is 2131222817. The next prime is 2131222853. The reversal of 2131222847 is 7482221312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131222847 - 2²⁴ = 2114445631 is a prime.

It is a super-2 number, since 2×2131222847² = 9084221647149570818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131222817) 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, 2826179 + ... + 2826932.

It is an arithmetic number, because the mean of its divisors is an integer number (296788380).

Almost surely, 2^2131222847 is an apocalyptic number.

2131222847 is a deficient number, since it is larger than the sum of its proper divisors (243084193).

2131222847 is a wasteful number, since it uses less digits than its factorization.

2131222847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653153.

The product of its digits is 10752, while the sum is 32.

The square root of 2131222847 is about 46165.1691971339. The cubic root of 2131222847 is about 1286.8945285442.

The spelling of 2131222847 in words is "two billion, one hundred thirty-one million, two hundred twenty-two thousand, eight hundred forty-seven".