22673881 has 4 divisors (see below), whose sum is σ = 23156352. Its totient is φ = 22191412.

The previous prime is 22673867. The next prime is 22673887. The reversal of 22673881 is 18837622.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18837622 = 2 ⋅9418811.

It is a cyclic number.

It is not a de Polignac number, because 22673881 - 2⁷ = 22673753 is a prime.

It is a super-2 number, since 2×22673881² = 1028209759204322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22673881.

It is not an unprimeable number, because it can be changed into a prime (22673887) 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, 241165 + ... + 241258.

It is an arithmetic number, because the mean of its divisors is an integer number (5789088).

Almost surely, 2^22673881 is an apocalyptic number.

It is an amenable number.

22673881 is a deficient number, since it is larger than the sum of its proper divisors (482471).

22673881 is an equidigital number, since it uses as much as digits as its factorization.

22673881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482470.

The product of its digits is 32256, while the sum is 37.

The square root of 22673881 is about 4761.7098819647. The cubic root of 22673881 is about 283.0361801188.

The spelling of 22673881 in words is "twenty-two million, six hundred seventy-three thousand, eight hundred eighty-one".