2204395631 has 2 divisors, whose sum is σ = 2204395632. Its totient is φ = 2204395630.

The previous prime is 2204395603. The next prime is 2204395667. The reversal of 2204395631 is 1365934022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2204395631 is a prime.

It is a super-2 number, since 2×2204395631² = 9718720195943776322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2204395591 and 2204395600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204395681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102197815 + 1102197816.

It is an arithmetic number, because the mean of its divisors is an integer number (1102197816).

Almost surely, 2^2204395631 is an apocalyptic number.

2204395631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204395631 is an equidigital number, since it uses as much as digits as its factorization.

2204395631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2204395631 is about 46950.9917999609. The cubic root of 2204395631 is about 1301.4570706101.

The spelling of 2204395631 in words is "two billion, two hundred four million, three hundred ninety-five thousand, six hundred thirty-one".