641122233 has 8 divisors (see below), whose sum is σ = 854952096. Its totient is φ = 427353600.

The previous prime is 641122231. The next prime is 641122249. The reversal of 641122233 is 332221146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 641122233 - 2¹ = 641122231 is a prime.

It is a super-2 number, since 2×641122233² = 822075435293812578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22393 + ... + 42233.

It is an arithmetic number, because the mean of its divisors is an integer number (106869012).

Almost surely, 2^641122233 is an apocalyptic number.

It is an amenable number.

641122233 is a deficient number, since it is larger than the sum of its proper divisors (213829863).

641122233 is a wasteful number, since it uses less digits than its factorization.

641122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30615.

The product of its digits is 1728, while the sum is 24.

The square root of 641122233 is about 25320.3916438905. The cubic root of 641122233 is about 862.2772855749.

Adding to 641122233 its reverse (332221146), we get a palindrome (973343379).

The spelling of 641122233 in words is "six hundred forty-one million, one hundred twenty-two thousand, two hundred thirty-three".