23221111222 has 16 divisors (see below), whose sum is σ = 35975028960. Its totient is φ = 11235436992.

The previous prime is 23221111211. The next prime is 23221111261. The reversal of 23221111222 is 22211112232.

It is a self number, because there is not a number n which added to its sum of digits gives 23221111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492722 + ... + 1508197.

It is an arithmetic number, because the mean of its divisors is an integer number (2248439310).

Almost surely, 2^23221111222 is an apocalyptic number.

23221111222 is a deficient number, since it is larger than the sum of its proper divisors (12753917738).

23221111222 is a wasteful number, since it uses less digits than its factorization.

23221111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001047.

The product of its digits is 192, while the sum is 19.

Adding to 23221111222 its reverse (22211112232), we get a palindrome (45432223454).

The spelling of 23221111222 in words is "twenty-three billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".