2205137564 has 12 divisors (see below), whose sum is σ = 4410275184. Its totient is φ = 945058944.

The previous prime is 2205137537. The next prime is 2205137573. The reversal of 2205137564 is 4657315022.

2205137564 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39377429 + ... + 39377484.

It is an arithmetic number, because the mean of its divisors is an integer number (367522932).

Almost surely, 2^2205137564 is an apocalyptic number.

It is an amenable number.

2205137564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2205137564 is a wasteful number, since it uses less digits than its factorization.

2205137564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78754924 (or 78754922 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2205137564 is about 46958.8922782469. The cubic root of 2205137564 is about 1301.6030646149.

The spelling of 2205137564 in words is "two billion, two hundred five million, one hundred thirty-seven thousand, five hundred sixty-four".