2225660188 has 6 divisors (see below), whose sum is σ = 3894905336. Its totient is φ = 1112830092.

The previous prime is 2225660183. The next prime is 2225660201. The reversal of 2225660188 is 8810665222.

It is a self number, because there is not a number n which added to its sum of digits gives 2225660188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225660183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278207520 + ... + 278207527.

Almost surely, 2^2225660188 is an apocalyptic number.

It is an amenable number.

2225660188 is a deficient number, since it is larger than the sum of its proper divisors (1669245148).

2225660188 is a wasteful number, since it uses less digits than its factorization.

2225660188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556415051 (or 556415049 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 2225660188 is about 47176.9031200650. The cubic root of 2225660188 is about 1305.6284926948.

The spelling of 2225660188 in words is "two billion, two hundred twenty-five million, six hundred sixty thousand, one hundred eighty-eight".