2220992 has 14 divisors (see below), whose sum is σ = 4407408. Its totient is φ = 1110464.

The previous prime is 2220979. The next prime is 2221007. The reversal of 2220992 is 2990222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17288 + ... + 17415.

2^2220992 is an apocalyptic number.

It is an amenable number.

2220992 is a deficient number, since it is larger than the sum of its proper divisors (2186416).

2220992 is an equidigital number, since it uses as much as digits as its factorization.

2220992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34715 (or 34705 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2220992 is about 1490.2992987987. The cubic root of 2220992 is about 130.4715028080.

The spelling of 2220992 in words is "two million, two hundred twenty thousand, nine hundred ninety-two".