22250005222 has 4 divisors (see below), whose sum is σ = 33375007836. Its totient is φ = 11125002610.

The previous prime is 22250005201. The next prime is 22250005223.

22250005222 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22250005193 and 22250005202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250005223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562501304 + ... + 5562501307.

It is an arithmetic number, because the mean of its divisors is an integer number (8343751959).

Almost surely, 2^22250005222 is an apocalyptic number.

22250005222 is a deficient number, since it is larger than the sum of its proper divisors (11125002614).

22250005222 is a wasteful number, since it uses less digits than its factorization.

22250005222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125002613.

The product of its (nonzero) digits is 1600, while the sum is 22.

The spelling of 22250005222 in words is "twenty-two billion, two hundred fifty million, five thousand, two hundred twenty-two".