22221003001 has 16 divisors (see below), whose sum is σ = 22627906560. Its totient is φ = 21817635840.

The previous prime is 22221002977. The next prime is 22221003011. The reversal of 22221003001 is 10030012222.

It is a cyclic number.

It is not a de Polignac number, because 22221003001 - 2²⁹ = 21684132089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221003011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12910821 + ... + 12912541.

It is an arithmetic number, because the mean of its divisors is an integer number (1414244160).

Almost surely, 2^22221003001 is an apocalyptic number.

It is an amenable number.

22221003001 is a deficient number, since it is larger than the sum of its proper divisors (406903559).

22221003001 is a wasteful number, since it uses less digits than its factorization.

22221003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22221003001 its reverse (10030012222), we get a palindrome (32251015223).

It can be divided in two parts, 2222 and 1003001, that multiplied together give a palindrome (2228668222).

The spelling of 22221003001 in words is "twenty-two billion, two hundred twenty-one million, three thousand, one".