2221010902 has 24 divisors (see below), whose sum is σ = 3664428768. Its totient is φ = 1008857520.

The previous prime is 2221010881. The next prime is 2221010921. The reversal of 2221010902 is 2090101222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221010902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 551448 + ... + 555460.

It is an arithmetic number, because the mean of its divisors is an integer number (152684532).

Almost surely, 2^2221010902 is an apocalyptic number.

2221010902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221010902 is a deficient number, since it is larger than the sum of its proper divisors (1443417866).

2221010902 is a wasteful number, since it uses less digits than its factorization.

2221010902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324 (or 6313 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2221010902 is about 47127.6023366350. The cubic root of 2221010902 is about 1304.7187293775.

The spelling of 2221010902 in words is "two billion, two hundred twenty-one million, ten thousand, nine hundred two".