2221592 has 16 divisors (see below), whose sum is σ = 4197960. Its totient is φ = 1102144.

The previous prime is 2221589. The next prime is 2221631. The reversal of 2221592 is 2951222.

2221592 is nontrivially palindromic in base 7.

It is a congruent number.

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, 83 + ... + 2109.

2^2221592 is an apocalyptic number.

It is an amenable number.

2221592 is a deficient number, since it is larger than the sum of its proper divisors (1976368).

2221592 is a wasteful number, since it uses less digits than its factorization.

2221592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2166 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2221592 is about 1490.5005870512. The cubic root of 2221592 is about 130.4832506897.

The spelling of 2221592 in words is "two million, two hundred twenty-one thousand, five hundred ninety-two".