22431230402 has 8 divisors (see below), whose sum is σ = 38453537856. Its totient is φ = 9613384452.

The previous prime is 22431230399. The next prime is 22431230413. The reversal of 22431230402 is 20403213422.

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, 801115358 + ... + 801115385.

It is an arithmetic number, because the mean of its divisors is an integer number (4806692232).

Almost surely, 2^22431230402 is an apocalyptic number.

22431230402 is a deficient number, since it is larger than the sum of its proper divisors (16022307454).

22431230402 is a wasteful number, since it uses less digits than its factorization.

22431230402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602230752.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22431230402 its reverse (20403213422), we get a palindrome (42834443824).

The spelling of 22431230402 in words is "twenty-two billion, four hundred thirty-one million, two hundred thirty thousand, four hundred two".