22024509 has 16 divisors (see below), whose sum is σ = 32481792. Its totient is φ = 13186368.

The previous prime is 22024507. The next prime is 22024549. The reversal of 22024509 is 90542022.

It is not a de Polignac number, because 22024509 - 2¹ = 22024507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6189 + ... + 9074.

It is an arithmetic number, because the mean of its divisors is an integer number (2030112).

Almost surely, 2^22024509 is an apocalyptic number.

It is an amenable number.

22024509 is a deficient number, since it is larger than the sum of its proper divisors (10457283).

22024509 is a wasteful number, since it uses less digits than its factorization.

22024509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22024509 is about 4693.0277007493. The cubic root of 22024509 is about 280.3079477554.

The spelling of 22024509 in words is "twenty-two million, twenty-four thousand, five hundred nine".