641200223235 has 128 divisors (see below), whose sum is σ = 1242564986880. Its totient is φ = 278182195200.

The previous prime is 641200223233. The next prime is 641200223297. The reversal of 641200223235 is 532322002146.

It is not a de Polignac number, because 641200223235 - 2¹ = 641200223233 is a prime.

It is a super-2 number, since 2×641200223235² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641200223233) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13784146 + ... + 13830584.

It is an arithmetic number, because the mean of its divisors is an integer number (9707538960).

Almost surely, 2^641200223235 is an apocalyptic number.

641200223235 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

641200223235 is a deficient number, since it is larger than the sum of its proper divisors (601364763645).

641200223235 is a wasteful number, since it uses less digits than its factorization.

641200223235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46669.

The product of its (nonzero) digits is 17280, while the sum is 30.

Subtracting from 641200223235 its reverse (532322002146), we obtain a square (108878221089 = 329967²).

The spelling of 641200223235 in words is "six hundred forty-one billion, two hundred million, two hundred twenty-three thousand, two hundred thirty-five".