33222512243 has 4 divisors (see below), whose sum is σ = 33222890400. Its totient is φ = 33222134088.

The previous prime is 33222512237. The next prime is 33222512249. The reversal of 33222512243 is 34221522233.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (33222512237) and next prime (33222512249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33222512243 is a prime.

It is a super-2 number, since 2×33222512243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33222512249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19121 + ... + 258477.

It is an arithmetic number, because the mean of its divisors is an integer number (8305722600).

Almost surely, 2^33222512243 is an apocalyptic number.

33222512243 is a deficient number, since it is larger than the sum of its proper divisors (378157).

33222512243 is a wasteful number, since it uses less digits than its factorization.

33222512243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378156.

The product of its digits is 17280, while the sum is 29.

The spelling of 33222512243 in words is "thirty-three billion, two hundred twenty-two million, five hundred twelve thousand, two hundred forty-three".