22424828 has 24 divisors (see below), whose sum is σ = 40509504. Its totient is φ = 10856000.

The previous prime is 22424813. The next prime is 22424867. The reversal of 22424828 is 82842422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22424794 and 22424803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18398 + ... + 19578.

It is an arithmetic number, because the mean of its divisors is an integer number (1687896).

Almost surely, 2^22424828 is an apocalyptic number.

It is an amenable number.

22424828 is a deficient number, since it is larger than the sum of its proper divisors (18084676).

22424828 is a wasteful number, since it uses less digits than its factorization.

22424828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1331 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 22424828 is about 4735.4860363008. The cubic root of 22424828 is about 281.9960598346.

It can be divided in two parts, 224 and 24828, that added together give a palindrome (25052).

The spelling of 22424828 in words is "twenty-two million, four hundred twenty-four thousand, eight hundred twenty-eight".