22301223212 has 6 divisors (see below), whose sum is σ = 39027140628. Its totient is φ = 11150611604.

The previous prime is 22301223199. The next prime is 22301223233. The reversal of 22301223212 is 21232210322.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787652898 + ... + 2787652905.

It is an arithmetic number, because the mean of its divisors is an integer number (6504523438).

Almost surely, 2^22301223212 is an apocalyptic number.

It is an amenable number.

22301223212 is a deficient number, since it is larger than the sum of its proper divisors (16725917416).

22301223212 is a wasteful number, since it uses less digits than its factorization.

22301223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575305807 (or 5575305805 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22301223212 its reverse (21232210322), we get a palindrome (43533433534).

The spelling of 22301223212 in words is "twenty-two billion, three hundred one million, two hundred twenty-three thousand, two hundred twelve".