22013833 has 2 divisors, whose sum is σ = 22013834. Its totient is φ = 22013832.

The previous prime is 22013819. The next prime is 22013839. The reversal of 22013833 is 33831022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21086464 + 927369 = 4592^2 + 963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22013833 is a prime.

It is not a weakly prime, because it can be changed into another prime (22013839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006916 + 11006917.

It is an arithmetic number, because the mean of its divisors is an integer number (11006917).

Almost surely, 2^22013833 is an apocalyptic number.

It is an amenable number.

22013833 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013833 is an equidigital number, since it uses as much as digits as its factorization.

22013833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22013833 is about 4691.8901308534. The cubic root of 22013833 is about 280.2626489580.

Adding to 22013833 its reverse (33831022), we get a palindrome (55844855).

The spelling of 22013833 in words is "twenty-two million, thirteen thousand, eight hundred thirty-three".