22045424 has 40 divisors (see below), whose sum is σ = 43925760. Its totient is φ = 10715328.

The previous prime is 22045367. The next prime is 22045427. The reversal of 22045424 is 42454022.

It is a self number, because there is not a number n which added to its sum of digits gives 22045424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045427) 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, 135167 + ... + 135329.

It is an arithmetic number, because the mean of its divisors is an integer number (1098144).

Almost surely, 2^22045424 is an apocalyptic number.

It is an amenable number.

22045424 is a deficient number, since it is larger than the sum of its proper divisors (21880336).

22045424 is a wasteful number, since it uses less digits than its factorization.

22045424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 22045424 is about 4695.2554776072. The cubic root of 22045424 is about 280.3966487254.

Adding to 22045424 its reverse (42454022), we get a palindrome (64499446).

The spelling of 22045424 in words is "twenty-two million, forty-five thousand, four hundred twenty-four".