22424375 has 10 divisors (see below), whose sum is σ = 28022280. Its totient is φ = 17939000.

The previous prime is 22424341. The next prime is 22424383. The reversal of 22424375 is 57342422.

It is not a de Polignac number, because 22424375 - 2⁸ = 22424119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17315 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (2802228).

Almost surely, 2^22424375 is an apocalyptic number.

22424375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22424375 is a deficient number, since it is larger than the sum of its proper divisors (5597905).

22424375 is an frugal number, since it uses more digits than its factorization.

22424375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35899 (or 35884 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 22424375 is about 4735.4382056997. The cubic root of 22424375 is about 281.9941609709.

Adding to 22424375 its reverse (57342422), we get a palindrome (79766797).

The spelling of 22424375 in words is "twenty-two million, four hundred twenty-four thousand, three hundred seventy-five".