2204643455 has 16 divisors (see below), whose sum is σ = 3042776640. Its totient is φ = 1502122752.

The previous prime is 2204643421. The next prime is 2204643457. The reversal of 2204643455 is 5543464022.

It is a cyclic number.

It is not a de Polignac number, because 2204643455 - 2⁶ = 2204643391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204643457) 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, 195110 + ... + 206099.

It is an arithmetic number, because the mean of its divisors is an integer number (190173540).

Almost surely, 2^2204643455 is an apocalyptic number.

2204643455 is a deficient number, since it is larger than the sum of its proper divisors (838133185).

2204643455 is a wasteful number, since it uses less digits than its factorization.

2204643455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401378.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 2204643455 is about 46953.6309032646. The cubic root of 2204643455 is about 1301.5058398671.

The spelling of 2204643455 in words is "two billion, two hundred four million, six hundred forty-three thousand, four hundred fifty-five".