2204731 has 2 divisors, whose sum is σ = 2204732. Its totient is φ = 2204730.

The previous prime is 2204701. The next prime is 2204737. The reversal of 2204731 is 1374022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2204731 - 2⁷ = 2204603 is a prime.

It is a super-2 number, since 2×2204731² = 9721677564722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2204699 and 2204708.

It is not a weakly prime, because it can be changed into another prime (2204737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102365 + 1102366.

It is an arithmetic number, because the mean of its divisors is an integer number (1102366).

2^2204731 is an apocalyptic number.

2204731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204731 is an equidigital number, since it uses as much as digits as its factorization.

2204731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2204731 is about 1484.8336607176. The cubic root of 2204731 is about 130.1523066964.

Adding to 2204731 its reverse (1374022), we get a palindrome (3578753).

The spelling of 2204731 in words is "two million, two hundred four thousand, seven hundred thirty-one".