22344639091 has 8 divisors (see below), whose sum is σ = 22832228160. Its totient is φ = 21857557248.

The previous prime is 22344639073. The next prime is 22344639139. The reversal of 22344639091 is 19093644322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22344639091 - 2¹³ = 22344630899 is a prime.

It is a super-2 number, since 2×22344639091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22344639011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37056 + ... + 214621.

It is an arithmetic number, because the mean of its divisors is an integer number (2854028520).

Almost surely, 2^22344639091 is an apocalyptic number.

22344639091 is a deficient number, since it is larger than the sum of its proper divisors (487589069).

22344639091 is a wasteful number, since it uses less digits than its factorization.

22344639091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253613.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 22344639091 in words is "twenty-two billion, three hundred forty-four million, six hundred thirty-nine thousand, ninety-one".