2200115655 has 16 divisors (see below), whose sum is σ = 3911316960. Its totient is φ = 1173394944.

The previous prime is 2200115647. The next prime is 2200115657. The reversal of 2200115655 is 5565110022.

2200115655 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 1 + 1 + 5 + 655 = 666.

It is not a de Polignac number, because 2200115655 - 2³ = 2200115647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200115657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8148442 + ... + 8148711.

It is an arithmetic number, because the mean of its divisors is an integer number (244457310).

Almost surely, 2^2200115655 is an apocalyptic number.

2200115655 is a deficient number, since it is larger than the sum of its proper divisors (1711201305).

2200115655 is a wasteful number, since it uses less digits than its factorization.

2200115655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297167 (or 16297161 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2200115655 is about 46905.3904684739. The cubic root of 2200115655 is about 1300.6142373465.

Adding to 2200115655 its reverse (5565110022), we get a palindrome (7765225677).

It can be divided in two parts, 2200 and 115655, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 2200115655 in words is "two billion, two hundred million, one hundred fifteen thousand, six hundred fifty-five".