22211320233 has 16 divisors (see below), whose sum is σ = 32086397376. Its totient is φ = 13612408320.

The previous prime is 22211320223. The next prime is 22211320247. The reversal of 22211320233 is 33202311222.

It is a happy number.

It is not a de Polignac number, because 22211320233 - 2⁴ = 22211320217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22211320213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5061948 + ... + 5066333.

It is an arithmetic number, because the mean of its divisors is an integer number (2005399836).

Almost surely, 2^22211320233 is an apocalyptic number.

It is an amenable number.

22211320233 is a deficient number, since it is larger than the sum of its proper divisors (9875077143).

22211320233 is a wasteful number, since it uses less digits than its factorization.

22211320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128344.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22211320233 its reverse (33202311222), we get a palindrome (55413631455).

The spelling of 22211320233 in words is "twenty-two billion, two hundred eleven million, three hundred twenty thousand, two hundred thirty-three".