2655223636 has 24 divisors (see below), whose sum is σ = 5074562304. Its totient is φ = 1208225760.

The previous prime is 2655223633. The next prime is 2655223639. The reversal of 2655223636 is 6363225562.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2655223633) and next prime (2655223639).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655223631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355900 + ... + 363283.

It is an arithmetic number, because the mean of its divisors is an integer number (211440096).

Almost surely, 2^2655223636 is an apocalyptic number.

2655223636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2655223636 is a deficient number, since it is larger than the sum of its proper divisors (2419338668).

2655223636 is a wasteful number, since it uses less digits than its factorization.

2655223636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719271 (or 719269 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The square root of 2655223636 is about 51528.8621648101. The cubic root of 2655223636 is about 1384.7361661251.

The spelling of 2655223636 in words is "two billion, six hundred fifty-five million, two hundred twenty-three thousand, six hundred thirty-six".