30222133 has 2 divisors, whose sum is σ = 30222134. Its totient is φ = 30222132.

The previous prime is 30222131. The next prime is 30222149. The reversal of 30222133 is 33122203.

It is an a-pointer prime, because the next prime (30222149) can be obtained adding 30222133 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25633969 + 4588164 = 5063^2 + 2142^2 .

It is an emirp because it is prime and its reverse (33122203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30222133 - 2¹ = 30222131 is a prime.

Together with 30222131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30222131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111066 + 15111067.

It is an arithmetic number, because the mean of its divisors is an integer number (15111067).

Almost surely, 2^30222133 is an apocalyptic number.

It is an amenable number.

30222133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30222133 is an equidigital number, since it uses as much as digits as its factorization.

30222133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30222133 is about 5497.4660526464. The cubic root of 30222133 is about 311.4882753639.

Adding to 30222133 its reverse (33122203), we get a palindrome (63344336).

The spelling of 30222133 in words is "thirty million, two hundred twenty-two thousand, one hundred thirty-three".