33722023 has 2 divisors, whose sum is σ = 33722024. Its totient is φ = 33722022.

The previous prime is 33721993. The next prime is 33722027. The reversal of 33722023 is 32022733.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33722023 - 2⁵ = 33721991 is a prime.

It is a super-2 number, since 2×33722023² = 2274349670425058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33721985 and 33722003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33722027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16861011 + 16861012.

It is an arithmetic number, because the mean of its divisors is an integer number (16861012).

Almost surely, 2^33722023 is an apocalyptic number.

33722023 is a deficient number, since it is larger than the sum of its proper divisors (1).

33722023 is an equidigital number, since it uses as much as digits as its factorization.

33722023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 33722023 is about 5807.0666433235. The cubic root of 33722023 is about 323.0758830872.

Adding to 33722023 its reverse (32022733), we get a palindrome (65744756).

The spelling of 33722023 in words is "thirty-three million, seven hundred twenty-two thousand, twenty-three".