2204218144 has 24 divisors (see below), whose sum is σ = 4388319180. Its totient is φ = 1089724416.

The previous prime is 2204218129. The next prime is 2204218151. The reversal of 2204218144 is 4418124022.

It can be written as a sum of positive squares in 2 ways, for example, as 2095808400 + 108409744 = 45780^2 + 10412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384129 + ... + 389824.

Almost surely, 2^2204218144 is an apocalyptic number.

It is an amenable number.

2204218144 is a deficient number, since it is larger than the sum of its proper divisors (2184101036).

2204218144 is an equidigital number, since it uses as much as digits as its factorization.

2204218144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774052 (or 774044 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2204218144 is about 46949.1016314476. The cubic root of 2204218144 is about 1301.4221407170.

It can be divided in two parts, 22042 and 18144, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 2204218144 in words is "two billion, two hundred four million, two hundred eighteen thousand, one hundred forty-four".