22024405 has 16 divisors (see below), whose sum is σ = 28949760. Its totient is φ = 15985728.

The previous prime is 22024399. The next prime is 22024423. The reversal of 22024405 is 50442022.

It is a cyclic number.

It is not a de Polignac number, because 22024405 - 2⁹ = 22023893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (1809360).

Almost surely, 2^22024405 is an apocalyptic number.

It is an amenable number.

22024405 is a deficient number, since it is larger than the sum of its proper divisors (6925355).

22024405 is a wasteful number, since it uses less digits than its factorization.

22024405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22024405 is about 4693.0166204692. The cubic root of 22024405 is about 280.3075065488.

Adding to 22024405 its reverse (50442022), we get a palindrome (72466427).

It can be divided in two parts, 2202 and 4405, that multiplied together give a triangular number (9699810 = T₄₄₀₄).

The spelling of 22024405 in words is "twenty-two million, twenty-four thousand, four hundred five".