3223238781 has 16 divisors (see below), whose sum is σ = 4955071104. Its totient is φ = 1825549824.

The previous prime is 3223238749. The next prime is 3223238783. The reversal of 3223238781 is 1878323223.

3223238781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3223238781 - 2⁵ = 3223238749 is a prime.

It is a super-2 number, since 2×3223238781² = 20778536478684731922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223238783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676776 + ... + 681521.

It is an arithmetic number, because the mean of its divisors is an integer number (309691944).

Almost surely, 2^3223238781 is an apocalyptic number.

It is an amenable number.

3223238781 is a deficient number, since it is larger than the sum of its proper divisors (1731832323).

3223238781 is a wasteful number, since it uses less digits than its factorization.

3223238781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358420.

The product of its digits is 96768, while the sum is 39.

The square root of 3223238781 is about 56773.5746716727. The cubic root of 3223238781 is about 1477.1711824064.

The spelling of 3223238781 in words is "three billion, two hundred twenty-three million, two hundred thirty-eight thousand, seven hundred eighty-one".