2242657 has 8 divisors (see below), whose sum is σ = 2457000. Its totient is φ = 2037504.

The previous prime is 2242651. The next prime is 2242663. The reversal of 2242657 is 7562422.

It is an interprime number because it is at equal distance from previous prime (2242651) and next prime (2242663).

It can be written as a sum of positive squares in 4 ways, for example, as 876096 + 1366561 = 936^2 + 1169^2 .

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 2242657 - 2⁷ = 2242529 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2242651) 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, 1782 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

2^2242657 is an apocalyptic number.

It is an amenable number.

2242657 is a deficient number, since it is larger than the sum of its proper divisors (214343).

2242657 is a wasteful number, since it uses less digits than its factorization.

2242657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595.

The product of its digits is 6720, while the sum is 28.

The square root of 2242657 is about 1497.5503330439. The cubic root of 2242657 is about 130.8943654376.

The spelling of 2242657 in words is "two million, two hundred forty-two thousand, six hundred fifty-seven".