22024418 has 24 divisors (see below), whose sum is σ = 37887588. Its totient is φ = 9564672.

The previous prime is 22024399. The next prime is 22024423. The reversal of 22024418 is 81442022.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3214849 + 18809569 = 1793^2 + 4337^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22024393 and 22024402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3830 + ... + 7662.

Almost surely, 2^22024418 is an apocalyptic number.

22024418 is a deficient number, since it is larger than the sum of its proper divisors (15863170).

22024418 is a wasteful number, since it uses less digits than its factorization.

22024418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878 (or 3865 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 22024418 is about 4693.0180055056. The cubic root of 22024418 is about 280.3075616997.

The spelling of 22024418 in words is "twenty-two million, twenty-four thousand, four hundred eighteen".