22221031009 has 16 divisors (see below), whose sum is σ = 23948255232. Its totient is φ = 20566477008.

The previous prime is 22221031003. The next prime is 22221031033. The reversal of 22221031009 is 90013012222.

It is a cyclic number.

It is not a de Polignac number, because 22221031009 - 2²³ = 22212642401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221031003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832 + ... + 210814.

It is an arithmetic number, because the mean of its divisors is an integer number (1496765952).

Almost surely, 2^22221031009 is an apocalyptic number.

It is an amenable number.

22221031009 is a deficient number, since it is larger than the sum of its proper divisors (1727224223).

22221031009 is a wasteful number, since it uses less digits than its factorization.

22221031009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210156.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 22221031009 in words is "twenty-two billion, two hundred twenty-one million, thirty-one thousand, nine".