641222334 has 12 divisors (see below), whose sum is σ = 1389315096. Its totient is φ = 213740772.

The previous prime is 641222311. The next prime is 641222347. The reversal of 641222334 is 433222146.

641222334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641222334² = 822332163240815112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641222298 and 641222307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17811714 + ... + 17811749.

It is an arithmetic number, because the mean of its divisors is an integer number (115776258).

Almost surely, 2^641222334 is an apocalyptic number.

641222334 is an abundant number, since it is smaller than the sum of its proper divisors (748092762).

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

641222334 is a wasteful number, since it uses less digits than its factorization.

641222334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35623471 (or 35623468 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 641222334 is about 25322.3682541740. The cubic root of 641222334 is about 862.3221601829.

The spelling of 641222334 in words is "six hundred forty-one million, two hundred twenty-two thousand, three hundred thirty-four".