1004222050221 has 24 divisors (see below), whose sum is σ = 1473651338016. Its totient is φ = 607851915840.

The previous prime is 1004222050207. The next prime is 1004222050259. The reversal of 1004222050221 is 1220502224001.

It is not a de Polignac number, because 1004222050221 - 2¹⁸ = 1004221788077 is a prime.

It is a super-2 number, since 2×1004222050221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004222050621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16204435 + ... + 16266288.

It is an arithmetic number, because the mean of its divisors is an integer number (61402139084).

Almost surely, 2^{1004222050221} is an apocalyptic number.

It is an amenable number.

1004222050221 is a deficient number, since it is larger than the sum of its proper divisors (469429287795).

1004222050221 is a wasteful number, since it uses less digits than its factorization.

1004222050221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32470813 (or 32470800 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 1004222050221 its reverse (1220502224001), we get a palindrome (2224724274222).

The spelling of 1004222050221 in words is "one trillion, four billion, two hundred twenty-two million, fifty thousand, two hundred twenty-one".