22051433 has 2 divisors, whose sum is σ = 22051434. Its totient is φ = 22051432.

The previous prime is 22051423. The next prime is 22051459. The reversal of 22051433 is 33415022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 9320809 = 3568^2 + 3053^2 .

It is a cyclic number.

It is not a de Polignac number, because 22051433 - 2⁴ = 22051417 is a prime.

It is not a weakly prime, because it can be changed into another prime (22051423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025716 + 11025717.

It is an arithmetic number, because the mean of its divisors is an integer number (11025717).

Almost surely, 2^22051433 is an apocalyptic number.

It is an amenable number.

22051433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22051433 is an equidigital number, since it uses as much as digits as its factorization.

22051433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 22051433 is about 4695.8953352902. The cubic root of 22051433 is about 280.4221226499.

Adding to 22051433 its reverse (33415022), we get a palindrome (55466455).

The spelling of 22051433 in words is "twenty-two million, fifty-one thousand, four hundred thirty-three".