22025823 has 4 divisors (see below), whose sum is σ = 29367768. Its totient is φ = 14683880.

The previous prime is 22025813. The next prime is 22025827. The reversal of 22025823 is 32852022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22025823 - 2⁵ = 22025791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22025793 and 22025802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025827) 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, 3670968 + ... + 3670973.

It is an arithmetic number, because the mean of its divisors is an integer number (7341942).

Almost surely, 2^22025823 is an apocalyptic number.

22025823 is a deficient number, since it is larger than the sum of its proper divisors (7341945).

22025823 is an equidigital number, since it uses as much as digits as its factorization.

22025823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341944.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22025823 is about 4693.1676935733. The cubic root of 22025823 is about 280.3135221107.

Adding to 22025823 its reverse (32852022), we get a palindrome (54877845).

The spelling of 22025823 in words is "twenty-two million, twenty-five thousand, eight hundred twenty-three".