641233229 has 8 divisors (see below), whose sum is σ = 789210240. Its totient is φ = 507349296.

The previous prime is 641233213. The next prime is 641233231. The reversal of 641233229 is 922332146.

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

It is a cyclic number.

It is not a de Polignac number, because 641233229 - 2⁴ = 641233213 is a prime.

It is a super-2 number, since 2×641233229² = 822360107947532882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641233195 and 641233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641233129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3523169 + ... + 3523350.

It is an arithmetic number, because the mean of its divisors is an integer number (98651280).

Almost surely, 2^641233229 is an apocalyptic number.

It is an amenable number.

641233229 is a deficient number, since it is larger than the sum of its proper divisors (147977011).

641233229 is a wasteful number, since it uses less digits than its factorization.

641233229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046539.

The product of its digits is 15552, while the sum is 32.

The square root of 641233229 is about 25322.5833792684. The cubic root of 641233229 is about 862.3270440567.

The spelling of 641233229 in words is "six hundred forty-one million, two hundred thirty-three thousand, two hundred twenty-nine".