1064100221 has 8 divisors (see below), whose sum is σ = 1110935040. Its totient is φ = 1017312912.

The previous prime is 1064100197. The next prime is 1064100229. The reversal of 1064100221 is 1220014601.

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 1064100221 - 2⁶ = 1064100157 is a prime.

It is a super-2 number, since 2×1064100221² = 2264618560664497682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1064100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064100229) 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, 38495 + ... + 60083.

It is an arithmetic number, because the mean of its divisors is an integer number (138866880).

Almost surely, 2^1064100221 is an apocalyptic number.

It is an amenable number.

1064100221 is a deficient number, since it is larger than the sum of its proper divisors (46834819).

1064100221 is a wasteful number, since it uses less digits than its factorization.

1064100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23755.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1064100221 is about 32620.5490603699. The cubic root of 1064100221 is about 1020.9257969629.

Adding to 1064100221 its reverse (1220014601), we get a palindrome (2284114822).

The spelling of 1064100221 in words is "one billion, sixty-four million, one hundred thousand, two hundred twenty-one".