2205510164 has 144 divisors (see below), whose sum is σ = 4914120960. Its totient is φ = 855429120.

The previous prime is 2205510163. The next prime is 2205510169. The reversal of 2205510164 is 4610155022.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205510163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9227957 + ... + 9228195.

It is an arithmetic number, because the mean of its divisors is an integer number (34125840).

Almost surely, 2^2205510164 is an apocalyptic number.

It is an amenable number.

2205510164 is an abundant number, since it is smaller than the sum of its proper divisors (2708610796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2205510164 is a wasteful number, since it uses less digits than its factorization.

2205510164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2205510164 is about 46962.8594103894. The cubic root of 2205510164 is about 1301.6763706974.

Adding to 2205510164 its reverse (4610155022), we get a palindrome (6815665186).

The spelling of 2205510164 in words is "two billion, two hundred five million, five hundred ten thousand, one hundred sixty-four".