22423427 has 12 divisors (see below), whose sum is σ = 24419520. Its totient is φ = 20580768.

The previous prime is 22423403. The next prime is 22423441. The reversal of 22423427 is 72432422.

It is not a de Polignac number, because 22423427 - 2¹⁰ = 22422403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22423396 and 22423405.

It is not an unprimeable number, because it can be changed into a prime (22423927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46574 + ... + 47052.

It is an arithmetic number, because the mean of its divisors is an integer number (2034960).

Almost surely, 2^22423427 is an apocalyptic number.

22423427 is a deficient number, since it is larger than the sum of its proper divisors (1996093).

22423427 is a wasteful number, since it uses less digits than its factorization.

22423427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 769 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 22423427 is about 4735.3381083086. The cubic root of 22423427 is about 281.9901871072.

Adding to 22423427 its reverse (72432422), we get a palindrome (94855849).

The spelling of 22423427 in words is "twenty-two million, four hundred twenty-three thousand, four hundred twenty-seven".