2566922 has 8 divisors (see below), whose sum is σ = 3857700. Its totient is φ = 1281024.

The previous prime is 2566909. The next prime is 2566931. The reversal of 2566922 is 2296652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 3721 = 1601^2 + 61^2 .

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

It is a d-powerful number, because it can be written as 2² + 5⁹ + 6³ + 6³ + 9⁶ + 2¹⁴ + 2¹⁶ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704 + ... + 2372.

2^2566922 is an apocalyptic number.

2566922 is a deficient number, since it is larger than the sum of its proper divisors (1290778).

2566922 is a wasteful number, since it uses less digits than its factorization.

2566922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440.

The product of its digits is 12960, while the sum is 32.

The square root of 2566922 is about 1602.1616647517. The cubic root of 2566922 is about 136.9212611641.

The spelling of 2566922 in words is "two million, five hundred sixty-six thousand, nine hundred twenty-two".