22381672709 has 4 divisors (see below), whose sum is σ = 24416370240. Its totient is φ = 20346975180.

The previous prime is 22381672699. The next prime is 22381672769. The reversal of 22381672709 is 90727618322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22381672709 - 2¹² = 22381668613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22381672769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017348749 + ... + 1017348770.

It is an arithmetic number, because the mean of its divisors is an integer number (6104092560).

Almost surely, 2^22381672709 is an apocalyptic number.

It is an amenable number.

22381672709 is a deficient number, since it is larger than the sum of its proper divisors (2034697531).

22381672709 is a wasteful number, since it uses less digits than its factorization.

22381672709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034697530.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 22381672709 in words is "twenty-two billion, three hundred eighty-one million, six hundred seventy-two thousand, seven hundred nine".