641483228 has 6 divisors (see below), whose sum is σ = 1122595656. Its totient is φ = 320741612.

The previous prime is 641483201. The next prime is 641483233. The reversal of 641483228 is 822384146.

It is a junction number, because it is equal to n+sod(n) for n = 641483191 and 641483200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80185400 + ... + 80185407.

It is an arithmetic number, because the mean of its divisors is an integer number (187099276).

Almost surely, 2^641483228 is an apocalyptic number.

It is an amenable number.

641483228 is a deficient number, since it is larger than the sum of its proper divisors (481112428).

641483228 is a wasteful number, since it uses less digits than its factorization.

641483228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160370811 (or 160370809 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 641483228 is about 25327.5191836863. The cubic root of 641483228 is about 862.4390952723.

It can be divided in two parts, 64148 and 3228, that added together give a palindrome (67376).

The spelling of 641483228 in words is "six hundred forty-one million, four hundred eighty-three thousand, two hundred twenty-eight".