2221663502 has 16 divisors (see below), whose sum is σ = 3517962000. Its totient is φ = 1049345280.

The previous prime is 2221663489. The next prime is 2221663529. The reversal of 2221663502 is 2053661222.

It is a super-2 number, since 2×2221663502² = 9871577432237808008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70499 + ... + 97022.

It is an arithmetic number, because the mean of its divisors is an integer number (219872625).

Almost surely, 2^2221663502 is an apocalyptic number.

2221663502 is a deficient number, since it is larger than the sum of its proper divisors (1296298498).

2221663502 is a wasteful number, since it uses less digits than its factorization.

2221663502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167891.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2221663502 is about 47134.5255836950. The cubic root of 2221663502 is about 1304.8465054367.

The spelling of 2221663502 in words is "two billion, two hundred twenty-one million, six hundred sixty-three thousand, five hundred two".