22431112402 has 8 divisors (see below), whose sum is σ = 33678384012. Its totient is φ = 11204984400.

The previous prime is 22431112399. The next prime is 22431112421. The reversal of 22431112402 is 20421113422.

It can be written as a sum of positive squares in 2 ways, for example, as 18761054841 + 3670057561 = 136971^2 + 60581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5283249 + ... + 5287492.

Almost surely, 2^22431112402 is an apocalyptic number.

22431112402 is a deficient number, since it is larger than the sum of its proper divisors (11247271610).

22431112402 is a wasteful number, since it uses less digits than its factorization.

22431112402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571804.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22431112402 its reverse (20421113422), we get a palindrome (42852225824).

The spelling of 22431112402 in words is "twenty-two billion, four hundred thirty-one million, one hundred twelve thousand, four hundred two".