2225657999 has 2 divisors, whose sum is σ = 2225658000. Its totient is φ = 2225657998.

The previous prime is 2225657963. The next prime is 2225658011. The reversal of 2225657999 is 9997565222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225657999 - 2⁸ = 2225657743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225657939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112828999 + 1112829000.

It is an arithmetic number, because the mean of its divisors is an integer number (1112829000).

Almost surely, 2^2225657999 is an apocalyptic number.

2225657999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225657999 is an equidigital number, since it uses as much as digits as its factorization.

2225657999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 56.

The square root of 2225657999 is about 47176.8799201473. The cubic root of 2225657999 is about 1305.6280646538.

The spelling of 2225657999 in words is "two billion, two hundred twenty-five million, six hundred fifty-seven thousand, nine hundred ninety-nine".