2222657 has 8 divisors (see below), whose sum is σ = 2291520. Its totient is φ = 2154960.

The previous prime is 2222653. The next prime is 2222659. The reversal of 2222657 is 7562222.

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 2222657 - 2² = 2222653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222653) 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, 4844 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

2^2222657 is an apocalyptic number.

It is an amenable number.

2222657 is a deficient number, since it is larger than the sum of its proper divisors (68863).

2222657 is an equidigital number, since it uses as much as digits as its factorization.

2222657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its digits is 3360, while the sum is 26.

The square root of 2222657 is about 1490.8578067676. The cubic root of 2222657 is about 130.5040979713.

Adding to 2222657 its reverse (7562222), we get a palindrome (9784879).

The spelling of 2222657 in words is "two million, two hundred twenty-two thousand, six hundred fifty-seven".