22013333 has 4 divisors (see below), whose sum is σ = 22077120. Its totient is φ = 21949548.

The previous prime is 22013281. The next prime is 22013339. The reversal of 22013333 is 33331022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33331022 = 2 ⋅16665511.

It is a cyclic number.

It is not a de Polignac number, because 22013333 - 2¹⁶ = 21947797 is a prime.

It is a Duffinian number.

22013333 is a modest number, since divided by 3333 gives 2201 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31373 + ... + 32066.

It is an arithmetic number, because the mean of its divisors is an integer number (5519280).

Almost surely, 2^22013333 is an apocalyptic number.

It is an amenable number.

22013333 is a deficient number, since it is larger than the sum of its proper divisors (63787).

22013333 is an equidigital number, since it uses as much as digits as its factorization.

22013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63786.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 22013333 is about 4691.8368471208. The cubic root of 22013333 is about 280.2605270742.

Adding to 22013333 its reverse (33331022), we get a palindrome (55344355).

The spelling of 22013333 in words is "twenty-two million, thirteen thousand, three hundred thirty-three".