326222222623 has 4 divisors (see below), whose sum is σ = 355878788328. Its totient is φ = 296565656920.

The previous prime is 326222222581. The next prime is 326222222639.

326222222623 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326222222623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326222222423) 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, 14828282836 + ... + 14828282857.

It is an arithmetic number, because the mean of its divisors is an integer number (88969697082).

Almost surely, 2^326222222623 is an apocalyptic number.

326222222623 is a deficient number, since it is larger than the sum of its proper divisors (29656565705).

326222222623 is a wasteful number, since it uses less digits than its factorization.

326222222623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29656565704.

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 326222 and 222623, that added together give a palindrome (548845).

The spelling of 326222222623 in words is "three hundred twenty-six billion, two hundred twenty-two million, two hundred twenty-two thousand, six hundred twenty-three".