2205553401 has 8 divisors (see below), whose sum is σ = 3267486560. Its totient is φ = 1470368916.

The previous prime is 2205553381. The next prime is 2205553403. The reversal of 2205553401 is 1043555022.

It is a happy number.

2205553401 is a `hidden beast` number, since 2 + 205 + 5 + 53 + 401 = 666.

2205553401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2205553401 - 2¹¹ = 2205551353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 81687163 = 2205553401 / (2 + 2 + 0 + 5 + 5 + 5 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2205553403) 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, 40843555 + ... + 40843608.

It is an arithmetic number, because the mean of its divisors is an integer number (408435820).

Almost surely, 2^2205553401 is an apocalyptic number.

It is an amenable number.

2205553401 is a deficient number, since it is larger than the sum of its proper divisors (1061933159).

2205553401 is an equidigital number, since it uses as much as digits as its factorization.

2205553401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81687172 (or 81687166 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2205553401 is about 46963.3197399843. The cubic root of 2205553401 is about 1301.6848766982.

The spelling of 2205553401 in words is "two billion, two hundred five million, five hundred fifty-three thousand, four hundred one".