22949809905 has 16 divisors (see below), whose sum is σ = 40057850304. Its totient is φ = 11127180480.

The previous prime is 22949809891. The next prime is 22949809913. The reversal of 22949809905 is 50990894922.

It is not a de Polignac number, because 22949809905 - 2¹⁰ = 22949808881 is a prime.

It is a super-2 number, since 2×22949809905² (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 69544714 + ... + 69545043.

It is an arithmetic number, because the mean of its divisors is an integer number (2503615644).

Almost surely, 2^22949809905 is an apocalyptic number.

It is an amenable number.

22949809905 is a deficient number, since it is larger than the sum of its proper divisors (17108040399).

22949809905 is a wasteful number, since it uses less digits than its factorization.

22949809905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139089776.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 22949809905 in words is "twenty-two billion, nine hundred forty-nine million, eight hundred nine thousand, nine hundred five".