22024422 has 36 divisors (see below), whose sum is σ = 55512756. Its totient is φ = 6292440.

The previous prime is 22024399. The next prime is 22024423. The reversal of 22024422 is 22442022.

22024422 is a `hidden beast` number, since 220 + 2 + 442 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22024395 and 22024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11604 + ... + 13367.

It is an arithmetic number, because the mean of its divisors is an integer number (1542021).

Almost surely, 2^22024422 is an apocalyptic number.

22024422 is an abundant number, since it is smaller than the sum of its proper divisors (33488334).

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

22024422 is a wasteful number, since it uses less digits than its factorization.

22024422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24993 (or 24983 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 22024422 is about 4693.0184316706. The cubic root of 22024422 is about 280.3075786692.

Adding to 22024422 its reverse (22442022), we get a palindrome (44466444).

It can be divided in two parts, 220 and 24422, that added together give a palindrome (24642).

The spelling of 22024422 in words is "twenty-two million, twenty-four thousand, four hundred twenty-two".