2202215656 has 16 divisors (see below), whose sum is σ = 4196846340. Its totient is φ = 1083056640.

The previous prime is 2202215641. The next prime is 2202215669. The reversal of 2202215656 is 6565122022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2120602500 + 81613156 = 46050^2 + 9034^2 .

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, 2255881 + ... + 2256856.

Almost surely, 2^2202215656 is an apocalyptic number.

It is an amenable number.

2202215656 is a deficient number, since it is larger than the sum of its proper divisors (1994630684).

2202215656 is a wasteful number, since it uses less digits than its factorization.

2202215656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512804 (or 4512800 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2202215656 is about 46927.7706267835. The cubic root of 2202215656 is about 1301.0279160019.

Adding to 2202215656 its reverse (6565122022), we get a palindrome (8767337678).

The spelling of 2202215656 in words is "two billion, two hundred two million, two hundred fifteen thousand, six hundred fifty-six".