22212421222 has 8 divisors (see below), whose sum is σ = 33324907176. Its totient is φ = 11104118832.

The previous prime is 22212421117. The next prime is 22212421237.

22212421222 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 22212421193 and 22212421202.

It is a congruent number.

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, 1032583 + ... + 1053874.

It is an arithmetic number, because the mean of its divisors is an integer number (4165613397).

Almost surely, 2^22212421222 is an apocalyptic number.

22212421222 is a deficient number, since it is larger than the sum of its proper divisors (11112485954).

22212421222 is a wasteful number, since it uses less digits than its factorization.

22212421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091782.

The product of its digits is 1024, while the sum is 22.

The spelling of 22212421222 in words is "twenty-two billion, two hundred twelve million, four hundred twenty-one thousand, two hundred twenty-two".