22000222223 has 24 divisors (see below), whose sum is σ = 28275689952. Its totient is φ = 16976408064.

The previous prime is 22000222219. The next prime is 22000222253. The reversal of 22000222223 is 32222200022.

It is not a de Polignac number, because 22000222223 - 2² = 22000222219 is a prime.

It is a super-2 number, since 2×22000222223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000222213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554990 + ... + 593307.

It is an arithmetic number, because the mean of its divisors is an integer number (1178153748).

Almost surely, 2^22000222223 is an apocalyptic number.

22000222223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22000222223 is a deficient number, since it is larger than the sum of its proper divisors (6275467729).

22000222223 is a wasteful number, since it uses less digits than its factorization.

22000222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148351 (or 1148344 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22000222223 its reverse (32222200022), we get a palindrome (54222422245).

The spelling of 22000222223 in words is "twenty-two billion, two hundred twenty-two thousand, two hundred twenty-three".