2244657 has 4 divisors (see below), whose sum is σ = 2992880. Its totient is φ = 1496436.

The previous prime is 2244653. The next prime is 2244659. The reversal of 2244657 is 7564422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2244657 - 2² = 2244653 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2244653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374107 + ... + 374112.

It is an arithmetic number, because the mean of its divisors is an integer number (748220).

2^2244657 is an apocalyptic number.

It is an amenable number.

2244657 is a deficient number, since it is larger than the sum of its proper divisors (748223).

2244657 is an equidigital number, since it uses as much as digits as its factorization.

2244657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748222.

The product of its digits is 13440, while the sum is 30.

The square root of 2244657 is about 1498.2179414224. The cubic root of 2244657 is about 130.9332643788.

The spelling of 2244657 in words is "two million, two hundred forty-four thousand, six hundred fifty-seven".