22222000402 has 8 divisors (see below), whose sum is σ = 38094857856. Its totient is φ = 9523714452.

The previous prime is 22222000397. The next prime is 22222000439. The reversal of 22222000402 is 20400022222.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793642858 + ... + 793642885.

It is an arithmetic number, because the mean of its divisors is an integer number (4761857232).

Almost surely, 2^22222000402 is an apocalyptic number.

22222000402 is a deficient number, since it is larger than the sum of its proper divisors (15872857454).

22222000402 is a wasteful number, since it uses less digits than its factorization.

22222000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587285752.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22222000402 its reverse (20400022222), we get a palindrome (42622022624).

The spelling of 22222000402 in words is "twenty-two billion, two hundred twenty-two million, four hundred two", and thus it is an aban number.