2232720396 has 72 divisors (see below), whose sum is σ = 5829711440. Its totient is φ = 738975744.

The previous prime is 2232720359. The next prime is 2232720397. The reversal of 2232720396 is 6930272322.

2232720396 is a `hidden beast` number, since 223 + 27 + 20 + 396 = 666.

It is a super-3 number, since 3×2232720396³ (a number of 29 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2232720396.

It is not an unprimeable number, because it can be changed into a prime (2232720397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7133136 + ... + 7133448.

Almost surely, 2^2232720396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2232720396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914855720).

2232720396 is an abundant number, since it is smaller than the sum of its proper divisors (3596991044).

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

2232720396 is a wasteful number, since it uses less digits than its factorization.

2232720396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 2232720396 is about 47251.6708276014. The cubic root of 2232720396 is about 1307.0076009164.

The spelling of 2232720396 in words is "two billion, two hundred thirty-two million, seven hundred twenty thousand, three hundred ninety-six".