2221392 has 20 divisors (see below), whose sum is σ = 5738720. Its totient is φ = 740448.

The previous prime is 2221391. The next prime is 2221399. The reversal of 2221392 is 2931222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23092 + ... + 23187.

It is an arithmetic number, because the mean of its divisors is an integer number (286936).

2^2221392 is an apocalyptic number.

It is an amenable number.

2221392 is an abundant number, since it is smaller than the sum of its proper divisors (3517328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221392 is a wasteful number, since it uses less digits than its factorization.

2221392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46290 (or 46284 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 2221392 is about 1490.4334939876. The cubic root of 2221392 is about 130.4793349642.

The spelling of 2221392 in words is "two million, two hundred twenty-one thousand, three hundred ninety-two".