22522222466 has 8 divisors (see below), whose sum is σ = 33786964620. Its totient is φ = 11259900928.

The previous prime is 22522222423. The next prime is 22522222477. The reversal of 22522222466 is 66422222522.

It can be written as a sum of positive squares in 2 ways, for example, as 16236111241 + 6286111225 = 127421^2 + 79285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581711 + ... + 619218.

Almost surely, 2^22522222466 is an apocalyptic number.

22522222466 is a deficient number, since it is larger than the sum of its proper divisors (11264742154).

22522222466 is a wasteful number, since it uses less digits than its factorization.

22522222466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210308.

The product of its digits is 92160, while the sum is 35.

Adding to 22522222466 its reverse (66422222522), we get a palindrome (88944444988).

The spelling of 22522222466 in words is "twenty-two billion, five hundred twenty-two million, two hundred twenty-two thousand, four hundred sixty-six".