6222932581 has 4 divisors (see below), whose sum is σ = 6223226112. Its totient is φ = 6222639052.

The previous prime is 6222932557. The next prime is 6222932593. The reversal of 6222932581 is 1852392226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6222932581 - 2⁷ = 6222932453 is a prime.

It is a super-2 number, since 2×6222932581² = 77449779815342643122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6222932081) 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, 112261 + ... + 158266.

It is an arithmetic number, because the mean of its divisors is an integer number (1555806528).

Almost surely, 2^6222932581 is an apocalyptic number.

It is an amenable number.

6222932581 is a deficient number, since it is larger than the sum of its proper divisors (293531).

6222932581 is a wasteful number, since it uses less digits than its factorization.

6222932581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293530.

The product of its digits is 103680, while the sum is 40.

The square root of 6222932581 is about 78885.5663667315. The cubic root of 6222932581 is about 1839.3527753766.

The spelling of 6222932581 in words is "six billion, two hundred twenty-two million, nine hundred thirty-two thousand, five hundred eighty-one".