33220123242157 has 2 divisors, whose sum is σ = 33220123242158. Its totient is φ = 33220123242156.

The previous prime is 33220123242079. The next prime is 33220123242167. The reversal of 33220123242157 is 75124232102233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33197809156516 + 22314085641 = 5761754^2 + 149379^2 .

It is a cyclic number.

It is not a de Polignac number, because 33220123242157 - 2⁷ = 33220123242029 is a prime.

It is a super-2 number, since 2×33220123242157² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33220123242167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16610061621078 + 16610061621079.

It is an arithmetic number, because the mean of its divisors is an integer number (16610061621079).

Almost surely, 2^{33220123242157} is an apocalyptic number.

It is an amenable number.

33220123242157 is a deficient number, since it is larger than the sum of its proper divisors (1).

33220123242157 is an equidigital number, since it uses as much as digits as its factorization.

33220123242157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 33220123242157 in words is "thirty-three trillion, two hundred twenty billion, one hundred twenty-three million, two hundred forty-two thousand, one hundred fifty-seven".