2204400357 has 6 divisors (see below), whose sum is σ = 3184133862. Its totient is φ = 1469600232.

The previous prime is 2204400343. The next prime is 2204400361. The reversal of 2204400357 is 7530044022.

2204400357 is a `hidden beast` number, since 2 + 204 + 400 + 3 + 57 = 666.

2204400357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1743396516 + 461003841 = 41754^2 + 21471^2 .

It is not a de Polignac number, because 2204400357 - 2¹⁹ = 2203876069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2204400357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204400337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122466678 + ... + 122466695.

It is an arithmetic number, because the mean of its divisors is an integer number (530688977).

Almost surely, 2^2204400357 is an apocalyptic number.

It is an amenable number.

2204400357 is a deficient number, since it is larger than the sum of its proper divisors (979733505).

2204400357 is a wasteful number, since it uses less digits than its factorization.

2204400357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244933379 (or 244933376 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 2204400357 is about 46951.0421290092. The cubic root of 2204400357 is about 1301.4580006732.

Adding to 2204400357 its reverse (7530044022), we get a palindrome (9734444379).

The spelling of 2204400357 in words is "two billion, two hundred four million, four hundred thousand, three hundred fifty-seven".