22138133 has 2 divisors, whose sum is σ = 22138134. Its totient is φ = 22138132.

The previous prime is 22138093. The next prime is 22138139. The reversal of 22138133 is 33183122.

22138133 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 9012004 = 3623^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 22138133 - 2⁶ = 22138069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22138099 and 22138108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22138139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11069066 + 11069067.

It is an arithmetic number, because the mean of its divisors is an integer number (11069067).

Almost surely, 2^22138133 is an apocalyptic number.

It is an amenable number.

22138133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22138133 is an equidigital number, since it uses as much as digits as its factorization.

22138133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 22138133 is about 4705.1177456042. The cubic root of 22138133 is about 280.7891555472.

The spelling of 22138133 in words is "twenty-two million, one hundred thirty-eight thousand, one hundred thirty-three".