641535122230 has 16 divisors (see below), whose sum is σ = 1156634808480. Its totient is φ = 256198140352.

The previous prime is 641535122213. The next prime is 641535122273. The reversal of 641535122230 is 32221535146.

It is a super-2 number, since 2×641535122230² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51982090 + ... + 51994429.

It is an arithmetic number, because the mean of its divisors is an integer number (72289675530).

Almost surely, 2^641535122230 is an apocalyptic number.

641535122230 is a deficient number, since it is larger than the sum of its proper divisors (515099686250).

641535122230 is a wasteful number, since it uses less digits than its factorization.

641535122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103977143.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 641535122230 its reverse (32221535146), we get a palindrome (673756657376).

The spelling of 641535122230 in words is "six hundred forty-one billion, five hundred thirty-five million, one hundred twenty-two thousand, two hundred thirty".