33222523 has 2 divisors, whose sum is σ = 33222524. Its totient is φ = 33222522.

The previous prime is 33222499. The next prime is 33222571. The reversal of 33222523 is 32522233.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33222523 is a prime.

It is a super-2 number, since 2×33222523² = 2207472068971058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33222494 and 33222503.

It is not a weakly prime, because it can be changed into another prime (33222593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16611261 + 16611262.

It is an arithmetic number, because the mean of its divisors is an integer number (16611262).

Almost surely, 2^33222523 is an apocalyptic number.

33222523 is a deficient number, since it is larger than the sum of its proper divisors (1).

33222523 is an equidigital number, since it uses as much as digits as its factorization.

33222523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 22.

The square root of 33222523 is about 5763.8982468465. The cubic root of 33222523 is about 321.4727782961.

Adding to 33222523 its reverse (32522233), we get a palindrome (65744756).

The spelling of 33222523 in words is "thirty-three million, two hundred twenty-two thousand, five hundred twenty-three".