2220445402 has 16 divisors (see below), whose sum is σ = 3811133952. Its totient is φ = 950455440.

The previous prime is 2220445399. The next prime is 2220445411. The reversal of 2220445402 is 2045440222.

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, 85098 + ... + 108085.

It is an arithmetic number, because the mean of its divisors is an integer number (238195872).

Almost surely, 2^2220445402 is an apocalyptic number.

2220445402 is a deficient number, since it is larger than the sum of its proper divisors (1590688550).

2220445402 is a wasteful number, since it uses less digits than its factorization.

2220445402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194013.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2220445402 is about 47121.6022860004. The cubic root of 2220445402 is about 1304.6079868519.

Adding to 2220445402 its reverse (2045440222), we get a palindrome (4265885624).

The spelling of 2220445402 in words is "two billion, two hundred twenty million, four hundred forty-five thousand, four hundred two".