22853881 has 4 divisors (see below), whose sum is σ = 23847552. Its totient is φ = 21860212.

The previous prime is 22853849. The next prime is 22853917. The reversal of 22853881 is 18835822.

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: 18835822 = 2 ⋅9417911.

It is not a de Polignac number, because 22853881 - 2⁵ = 22853849 is a prime.

It is a super-2 number, since 2×22853881² = 1044599753524322, 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 22853881.

It is not an unprimeable number, because it can be changed into a prime (22853821) 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, 496801 + ... + 496846.

It is an arithmetic number, because the mean of its divisors is an integer number (5961888).

Almost surely, 2^22853881 is an apocalyptic number.

22853881 is the 3024-th centered pentagonal number.

It is an amenable number.

22853881 is a deficient number, since it is larger than the sum of its proper divisors (993671).

22853881 is an equidigital number, since it uses as much as digits as its factorization.

22853881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993670.

The product of its digits is 30720, while the sum is 37.

The square root of 22853881 is about 4780.5732919808. The cubic root of 22853881 is about 283.7831818984.

The spelling of 22853881 in words is "twenty-two million, eight hundred fifty-three thousand, eight hundred eighty-one".