2204244662221 has 16 divisors (see below), whose sum is σ = 2691300866560. Its totient is φ = 1763197832880.

The previous prime is 2204244662209. The next prime is 2204244662231. The reversal of 2204244662221 is 1222664424022.

It is a cyclic number.

It is not a de Polignac number, because 2204244662221 - 2⁹ = 2204244661709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204244662231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123672195 + ... + 123690016.

It is an arithmetic number, because the mean of its divisors is an integer number (168206304160).

Almost surely, 2^{2204244662221} is an apocalyptic number.

It is an amenable number.

2204244662221 is a deficient number, since it is larger than the sum of its proper divisors (487056204339).

2204244662221 is a wasteful number, since it uses less digits than its factorization.

2204244662221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247362304.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 2204244662221 in words is "two trillion, two hundred four billion, two hundred forty-four million, six hundred sixty-two thousand, two hundred twenty-one".