641340622 has 16 divisors (see below), whose sum is σ = 1036716912. Its totient is φ = 295801920.

The previous prime is 641340613. The next prime is 641340659. The reversal of 641340622 is 226043146.

It is a super-2 number, since 2×641340622² = 822635586854693768, which 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, 34722 + ... + 49882.

It is an arithmetic number, because the mean of its divisors is an integer number (64794807).

Almost surely, 2^641340622 is an apocalyptic number.

641340622 is a deficient number, since it is larger than the sum of its proper divisors (395376290).

641340622 is a wasteful number, since it uses less digits than its factorization.

641340622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 641340622 is about 25324.7037889883. The cubic root of 641340622 is about 862.3751818816.

Adding to 641340622 its reverse (226043146), we get a palindrome (867383768).

The spelling of 641340622 in words is "six hundred forty-one million, three hundred forty thousand, six hundred twenty-two".