2201054868 has 18 divisors (see below), whose sum is σ = 5563777674. Its totient is φ = 733684944.

The previous prime is 2201054837. The next prime is 2201054929. The reversal of 2201054868 is 8684501022.

It can be written as a sum of positive squares in only one way, i.e., 1803531024 + 397523844 = 42468^2 + 19938^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 61140413 = 2201054868 / (2 + 2 + 0 + 1 + 0 + 5 + 4 + 8 + 6 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30570171 + ... + 30570242.

Almost surely, 2^2201054868 is an apocalyptic number.

It is an amenable number.

2201054868 is an abundant number, since it is smaller than the sum of its proper divisors (3362722806).

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

2201054868 is a wasteful number, since it uses less digits than its factorization.

2201054868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61140423 (or 61140418 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2201054868 is about 46915.4011812752. The cubic root of 2201054868 is about 1300.7992851968.

The spelling of 2201054868 in words is "two billion, two hundred one million, fifty-four thousand, eight hundred sixty-eight".