22331030233 has 4 divisors (see below), whose sum is σ = 22535902180. Its totient is φ = 22126158288.

The previous prime is 22331030213. The next prime is 22331030269. The reversal of 22331030233 is 33203013322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7319144704 + 15011885529 = 85552^2 + 122523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22331030233 is a prime.

It is a super-2 number, since 2×22331030233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331030213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102435810 + ... + 102436027.

It is an arithmetic number, because the mean of its divisors is an integer number (5633975545).

Almost surely, 2^22331030233 is an apocalyptic number.

It is an amenable number.

22331030233 is a deficient number, since it is larger than the sum of its proper divisors (204871947).

22331030233 is a wasteful number, since it uses less digits than its factorization.

22331030233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204871946.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 22331030233 its reverse (33203013322), we get a palindrome (55534043555).

The spelling of 22331030233 in words is "twenty-two billion, three hundred thirty-one million, thirty thousand, two hundred thirty-three".