2204444404397 has 8 divisors (see below), whose sum is σ = 2246728321944. Its totient is φ = 2162186065728.

The previous prime is 2204444404367. The next prime is 2204444404423. The reversal of 2204444404397 is 7934044444022.

It can be written as a sum of positive squares in 4 ways, for example, as 1518282338596 + 686162065801 = 1232186^2 + 828349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2204444404397 - 2⁶ = 2204444404333 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 (2204444404307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6220658 + ... + 6565475.

It is an arithmetic number, because the mean of its divisors is an integer number (280841040243).

Almost surely, 2^{2204444404397} is an apocalyptic number.

It is an amenable number.

2204444404397 is a deficient number, since it is larger than the sum of its proper divisors (42283917547).

2204444404397 is a wasteful number, since it uses less digits than its factorization.

2204444404397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789439.

The product of its (nonzero) digits is 3096576, while the sum is 47.

The spelling of 2204444404397 in words is "two trillion, two hundred four billion, four hundred forty-four million, four hundred four thousand, three hundred ninety-seven".