7221982032 has 50 divisors (see below), whose sum is σ = 20902515018. Its totient is φ = 2407326912.

The previous prime is 7221982021. The next prime is 7221982039. The reversal of 7221982032 is 2302891227.

It can be written as a sum of positive squares in only one way, i.e., 4649057856 + 2572924176 = 68184^2 + 50724^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221982039) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2784963 + ... + 2787554.

Almost surely, 2^7221982032 is an apocalyptic number.

7221982032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7221982032 is an abundant number, since it is smaller than the sum of its proper divisors (13680532986).

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

7221982032 is a wasteful number, since it uses less digits than its factorization.

7221982032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572537 (or 5572522 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7221982032 is about 84982.2453927878. The cubic root of 7221982032 is about 1932.9419040555.

The spelling of 7221982032 in words is "seven billion, two hundred twenty-one million, nine hundred eighty-two thousand, thirty-two".