641224498 has 16 divisors (see below), whose sum is σ = 1005016320. Its totient is φ = 306256896.

The previous prime is 641224477. The next prime is 641224517. The reversal of 641224498 is 894422146.

It is a super-2 number, since 2×641224498² = 822337713670704008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641224498.

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, 26311 + ... + 44437.

It is an arithmetic number, because the mean of its divisors is an integer number (62813520).

Almost surely, 2^641224498 is an apocalyptic number.

641224498 is a deficient number, since it is larger than the sum of its proper divisors (363791822).

641224498 is a wasteful number, since it uses less digits than its factorization.

641224498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18921.

The product of its digits is 110592, while the sum is 40.

The square root of 641224498 is about 25322.4109831588. The cubic root of 641224498 is about 862.3231302381.

The spelling of 641224498 in words is "six hundred forty-one million, two hundred twenty-four thousand, four hundred ninety-eight".