22004442201 has 96 divisors (see below), whose sum is σ = 37727907840. Its totient is φ = 11320909824.

The previous prime is 22004442199. The next prime is 22004442247. The reversal of 22004442201 is 10224440022.

It is not a de Polignac number, because 22004442201 - 2¹ = 22004442199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22004442301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8187880 + ... + 8190566.

It is an arithmetic number, because the mean of its divisors is an integer number (392999040).

Almost surely, 2^22004442201 is an apocalyptic number.

22004442201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22004442201 is a deficient number, since it is larger than the sum of its proper divisors (15723465639).

22004442201 is a wasteful number, since it uses less digits than its factorization.

22004442201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22004442201 its reverse (10224440022), we get a palindrome (32228882223).

The spelling of 22004442201 in words is "twenty-two billion, four million, four hundred forty-two thousand, two hundred one".