641162122 has 32 divisors (see below), whose sum is σ = 1034208000. Its totient is φ = 297335808.

The previous prime is 641162101. The next prime is 641162129. The reversal of 641162122 is 221261146.

It is a happy number.

It is a super-2 number, since 2×641162122² = 822177733375085768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641162129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763779 + ... + 764617.

It is an arithmetic number, because the mean of its divisors is an integer number (32319000).

Almost surely, 2^641162122 is an apocalyptic number.

641162122 is a deficient number, since it is larger than the sum of its proper divisors (393045878).

641162122 is a wasteful number, since it uses less digits than its factorization.

641162122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its digits is 1152, while the sum is 25.

The square root of 641162122 is about 25321.1793169276. The cubic root of 641162122 is about 862.2951681063.

The spelling of 641162122 in words is "six hundred forty-one million, one hundred sixty-two thousand, one hundred twenty-two".