22423233412 has 24 divisors (see below), whose sum is σ = 40595775192. Its totient is φ = 10829856000.

The previous prime is 22423233397. The next prime is 22423233421. The reversal of 22423233412 is 21433232422.

It can be written as a sum of positive squares in 4 ways, for example, as 9286405956 + 13136827456 = 96366^2 + 114616^2 .

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, 660303 + ... + 693430.

It is an arithmetic number, because the mean of its divisors is an integer number (1691490633).

Almost surely, 2^22423233412 is an apocalyptic number.

It is an amenable number.

22423233412 is a deficient number, since it is larger than the sum of its proper divisors (18172541780).

22423233412 is a wasteful number, since it uses less digits than its factorization.

22423233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353879 (or 1353877 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

Adding to 22423233412 its reverse (21433232422), we get a palindrome (43856465834).

The spelling of 22423233412 in words is "twenty-two billion, four hundred twenty-three million, two hundred thirty-three thousand, four hundred twelve".