22205061007222 has 4 divisors (see below), whose sum is σ = 33307591510836. Its totient is φ = 11102530503610.

The previous prime is 22205061007193. The next prime is 22205061007249. The reversal of 22205061007222 is 22270016050222.

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

It is a super-2 number, since 2×22205061007222² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551265251804 + ... + 5551265251807.

It is an arithmetic number, because the mean of its divisors is an integer number (8326897877709).

Almost surely, 2^{22205061007222} is an apocalyptic number.

22205061007222 is a deficient number, since it is larger than the sum of its proper divisors (11102530503614).

22205061007222 is a wasteful number, since it uses less digits than its factorization.

22205061007222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102530503613.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 22205061007222 its reverse (22270016050222), we get a palindrome (44475077057444).

The spelling of 22205061007222 in words is "twenty-two trillion, two hundred five billion, sixty-one million, seven thousand, two hundred twenty-two".