2220799 has 4 divisors (see below), whose sum is σ = 2538064. Its totient is φ = 1903536.

The previous prime is 2220787. The next prime is 2220839. The reversal of 2220799 is 9970222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220799 - 2⁷ = 2220671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220749) 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, 158622 + ... + 158635.

It is an arithmetic number, because the mean of its divisors is an integer number (634516).

2^2220799 is an apocalyptic number.

2220799 is a deficient number, since it is larger than the sum of its proper divisors (317265).

2220799 is an equidigital number, since it uses as much as digits as its factorization.

2220799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317264.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2220799 is about 1490.2345452982. The cubic root of 2220799 is about 130.4677234564.

The spelling of 2220799 in words is "two million, two hundred twenty thousand, seven hundred ninety-nine".