22201021005 has 16 divisors (see below), whose sum is σ = 35523598464. Its totient is φ = 11839889600.

The previous prime is 22201020971. The next prime is 22201021019. The reversal of 22201021005 is 50012010222.

It is not a de Polignac number, because 22201021005 - 2¹⁷ = 22200889933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376807 + ... + 431723.

It is an arithmetic number, because the mean of its divisors is an integer number (2220224904).

Almost surely, 2^22201021005 is an apocalyptic number.

It is an amenable number.

22201021005 is a deficient number, since it is larger than the sum of its proper divisors (13322577459).

22201021005 is a wasteful number, since it uses less digits than its factorization.

22201021005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81876.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 22201021005 its reverse (50012010222), we get a palindrome (72213031227).

The spelling of 22201021005 in words is "twenty-two billion, two hundred one million, twenty-one thousand, five".