22211023204 has 6 divisors (see below), whose sum is σ = 38869290614. Its totient is φ = 11105511600.

The previous prime is 22211023183. The next prime is 22211023217. The reversal of 22211023204 is 40232011222.

It can be written as a sum of positive squares in only one way, i.e., 14493752100 + 7717271104 = 120390^2 + 87848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776377897 + ... + 2776377904.

Almost surely, 2^22211023204 is an apocalyptic number.

It is an amenable number.

22211023204 is a deficient number, since it is larger than the sum of its proper divisors (16658267410).

22211023204 is a wasteful number, since it uses less digits than its factorization.

22211023204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552755805 (or 5552755803 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22211023204 its reverse (40232011222), we get a palindrome (62443034426).

The spelling of 22211023204 in words is "twenty-two billion, two hundred eleven million, twenty-three thousand, two hundred four".