2225999 has 2 divisors, whose sum is σ = 2226000. Its totient is φ = 2225998.

The previous prime is 2225969. The next prime is 2226001. The reversal of 2225999 is 9995222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225999 - 2¹⁶ = 2160463 is a prime.

It is a Sophie Germain prime.

Together with 2226001, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112999 + 1113000.

It is an arithmetic number, because the mean of its divisors is an integer number (1113000).

2^2225999 is an apocalyptic number.

2225999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225999 is an equidigital number, since it uses as much as digits as its factorization.

2225999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 2225999 is about 1491.9782169992. The cubic root of 2225999 is about 130.5694741226.

The spelling of 2225999 in words is "two million, two hundred twenty-five thousand, nine hundred ninety-nine".