2221732412 has 12 divisors (see below), whose sum is σ = 3918647040. Its totient is φ = 1102118976.

The previous prime is 2221732411. The next prime is 2221732417. The reversal of 2221732412 is 2142371222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221732411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186237 + ... + 2187252.

It is an arithmetic number, because the mean of its divisors is an integer number (326553920).

Almost surely, 2^2221732412 is an apocalyptic number.

It is an amenable number.

2221732412 is a deficient number, since it is larger than the sum of its proper divisors (1696914628).

2221732412 is a wasteful number, since it uses less digits than its factorization.

2221732412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373620 (or 4373618 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2221732412 is about 47135.2565708515. The cubic root of 2221732412 is about 1304.8599962351.

The spelling of 2221732412 in words is "two billion, two hundred twenty-one million, seven hundred thirty-two thousand, four hundred twelve".