641222335 has 48 divisors (see below), whose sum is σ = 872778240. Its totient is φ = 451476480.

The previous prime is 641222311. The next prime is 641222347. The reversal of 641222335 is 533222146.

It is not a de Polignac number, because 641222335 - 2¹⁷ = 641091263 is a prime.

It is a super-3 number, since 3×641222335³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3357090 + ... + 3357280.

It is an arithmetic number, because the mean of its divisors is an integer number (18182880).

Almost surely, 2^641222335 is an apocalyptic number.

641222335 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

641222335 is a deficient number, since it is larger than the sum of its proper divisors (231555905).

641222335 is a wasteful number, since it uses less digits than its factorization.

641222335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 375 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 641222335 is about 25322.3682739194. The cubic root of 641222335 is about 862.3221606312.

The spelling of 641222335 in words is "six hundred forty-one million, two hundred twenty-two thousand, three hundred thirty-five".