22024213 has 16 divisors (see below), whose sum is σ = 23541760. Its totient is φ = 20575296.

The previous prime is 22024199. The next prime is 22024259. The reversal of 22024213 is 31242022.

22024213 is nontrivially palindromic in base 2 and base 4.

It is a 8-Lehmer number, since φ(22024213) divides (22024213-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 22024213 - 2¹³ = 22016021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173356 + ... + 173482.

It is an arithmetic number, because the mean of its divisors is an integer number (1471360).

Almost surely, 2^22024213 is an apocalyptic number.

It is an amenable number.

22024213 is a deficient number, since it is larger than the sum of its proper divisors (1517547).

22024213 is a wasteful number, since it uses less digits than its factorization.

22024213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22024213 is about 4692.9961644988. The cubic root of 22024213 is about 280.3066920100.

Adding to 22024213 its reverse (31242022), we get a palindrome (53266235).

The spelling of 22024213 in words is "twenty-two million, twenty-four thousand, two hundred thirteen".