2199933431 has 4 divisors (see below), whose sum is σ = 2221292112. Its totient is φ = 2178574752.

The previous prime is 2199933403. The next prime is 2199933479. The reversal of 2199933431 is 1343399912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2199933431 - 2¹⁰ = 2199932407 is a prime.

It is a super-2 number, since 2×2199933431² = 9679414201662863522, 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 (2199930431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10679186 + ... + 10679391.

It is an arithmetic number, because the mean of its divisors is an integer number (555323028).

Almost surely, 2^2199933431 is an apocalyptic number.

2199933431 is a deficient number, since it is larger than the sum of its proper divisors (21358681).

2199933431 is a wasteful number, since it uses less digits than its factorization.

2199933431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21358680.

The product of its digits is 157464, while the sum is 44.

The square root of 2199933431 is about 46903.4479649418. The cubic root of 2199933431 is about 1300.5783286779.

The spelling of 2199933431 in words is "two billion, one hundred ninety-nine million, nine hundred thirty-three thousand, four hundred thirty-one".