22424634 has 16 divisors (see below), whose sum is σ = 49832640. Its totient is φ = 7474860.

The previous prime is 22424621. The next prime is 22424639. The reversal of 22424634 is 43642422.

22424634 is a `hidden beast` number, since 2 + 2 + 4 + 24 + 634 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22424598 and 22424607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207582 + ... + 207689.

It is an arithmetic number, because the mean of its divisors is an integer number (3114540).

Almost surely, 2^22424634 is an apocalyptic number.

22424634 is an abundant number, since it is smaller than the sum of its proper divisors (27408006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22424634 is a wasteful number, since it uses less digits than its factorization.

22424634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415282 (or 415276 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 22424634 is about 4735.4655526147. The cubic root of 22424634 is about 281.9952466379.

The spelling of 22424634 in words is "twenty-two million, four hundred twenty-four thousand, six hundred thirty-four".