2216663344252 has 24 divisors (see below), whose sum is σ = 4516974364896. Its totient is φ = 932074074048.

The previous prime is 2216663344249. The next prime is 2216663344253. The reversal of 2216663344252 is 2524433666122.

It is a super-2 number, since 2×2216663344252² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216663344253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746852743 + ... + 746855710.

It is an arithmetic number, because the mean of its divisors is an integer number (188207265204).

Almost surely, 2^{2216663344252} is an apocalyptic number.

It is an amenable number.

2216663344252 is an abundant number, since it is smaller than the sum of its proper divisors (2300311020644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216663344252 is a wasteful number, since it uses less digits than its factorization.

2216663344252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493708517 (or 1493708515 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The spelling of 2216663344252 in words is "two trillion, two hundred sixteen billion, six hundred sixty-three million, three hundred forty-four thousand, two hundred fifty-two".