2245997 has 8 divisors (see below), whose sum is σ = 2433816. Its totient is φ = 2060352.

The previous prime is 2245993. The next prime is 2246017. The reversal of 2245997 is 7995422.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 1297321 = 974^2 + 1139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245997 - 2² = 2245993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2245997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (304227).

2^2245997 is an apocalyptic number.

It is an amenable number.

2245997 is a deficient number, since it is larger than the sum of its proper divisors (187819).

2245997 is a wasteful number, since it uses less digits than its factorization.

2245997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 45360, while the sum is 38.

The square root of 2245997 is about 1498.6650726563. The cubic root of 2245997 is about 130.9593137445.

The spelling of 2245997 in words is "two million, two hundred forty-five thousand, nine hundred ninety-seven".