2220644235 has 32 divisors (see below), whose sum is σ = 3671635968. Its totient is φ = 1144892160.

The previous prime is 2220644221. The next prime is 2220644249. The reversal of 2220644235 is 5324460222.

It is an interprime number because it is at equal distance from previous prime (2220644221) and next prime (2220644249).

It is not a de Polignac number, because 2220644235 - 2⁴ = 2220644219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552744 + ... + 556746.

It is an arithmetic number, because the mean of its divisors is an integer number (114738624).

Almost surely, 2^2220644235 is an apocalyptic number.

2220644235 is a deficient number, since it is larger than the sum of its proper divisors (1450991733).

2220644235 is a wasteful number, since it uses less digits than its factorization.

2220644235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2220644235 is about 47123.7120248395. The cubic root of 2220644235 is about 1304.6469266936.

The spelling of 2220644235 in words is "two billion, two hundred twenty million, six hundred forty-four thousand, two hundred thirty-five".