2201644266 has 16 divisors (see below), whose sum is σ = 4635040800. Its totient is φ = 695256048.

The previous prime is 2201644163. The next prime is 2201644283. The reversal of 2201644266 is 6624461022.

2201644266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9656221 + ... + 9656448.

It is an arithmetic number, because the mean of its divisors is an integer number (289690050).

Almost surely, 2^2201644266 is an apocalyptic number.

2201644266 is an abundant number, since it is smaller than the sum of its proper divisors (2433396534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201644266 is a wasteful number, since it uses less digits than its factorization.

2201644266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19312693.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2201644266 is about 46921.6822588449. The cubic root of 2201644266 is about 1300.9153840855.

The spelling of 2201644266 in words is "two billion, two hundred one million, six hundred forty-four thousand, two hundred sixty-six".