2263205656 has 16 divisors (see below), whose sum is σ = 4303279440. Its totient is φ = 1115664480.

The previous prime is 2263205639. The next prime is 2263205671. The reversal of 2263205656 is 6565023622.

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, 1991691 + ... + 1992826.

It is an arithmetic number, because the mean of its divisors is an integer number (268954965).

Almost surely, 2^2263205656 is an apocalyptic number.

It is an amenable number.

2263205656 is a deficient number, since it is larger than the sum of its proper divisors (2040073784).

2263205656 is a wasteful number, since it uses less digits than its factorization.

2263205656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984594 (or 3984590 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 2263205656 is about 47573.1610890006. The cubic root of 2263205656 is about 1312.9292986727.

The spelling of 2263205656 in words is "two billion, two hundred sixty-three million, two hundred five thousand, six hundred fifty-six".