2665922 has 16 divisors (see below), whose sum is σ = 4614720. Its totient is φ = 1131408.

The previous prime is 2665913. The next prime is 2665931. The reversal of 2665922 is 2295662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2665913) and next prime (2665931).

It is a super-2 number, since 2×2665922² = 14214280220168, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 6⁷ + 6⁷ + 5⁴ + 9² + 2²⁰ + 2²⁰ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (288420).

2^2665922 is an apocalyptic number.

2665922 is a deficient number, since it is larger than the sum of its proper divisors (1948798).

2665922 is a wasteful number, since it uses less digits than its factorization.

2665922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

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

The square root of 2665922 is about 1632.7651392653. The cubic root of 2665922 is about 138.6593455927.

The spelling of 2665922 in words is "two million, six hundred sixty-five thousand, nine hundred twenty-two".