220234322233 has 4 divisors (see below), whose sum is σ = 220235385460. Its totient is φ = 220233259008.

The previous prime is 220234322219. The next prime is 220234322251. The reversal of 220234322233 is 332223432022.

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 can be written as a sum of positive squares in 2 ways, for example, as 73792635904 + 146441686329 = 271648^2 + 382677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220234322233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220234322933) 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, 108828 + ... + 672541.

It is an arithmetic number, because the mean of its divisors is an integer number (55058846365).

Almost surely, 2^220234322233 is an apocalyptic number.

It is an amenable number.

220234322233 is a deficient number, since it is larger than the sum of its proper divisors (1063227).

220234322233 is an equidigital number, since it uses as much as digits as its factorization.

220234322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063226.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 220234322233 its reverse (332223432022), we get a palindrome (552457754255).

The spelling of 220234322233 in words is "two hundred twenty billion, two hundred thirty-four million, three hundred twenty-two thousand, two hundred thirty-three".