26633222212 has 6 divisors (see below), whose sum is σ = 46608138878. Its totient is φ = 13316611104.

The previous prime is 26633222191. The next prime is 26633222243. The reversal of 26633222212 is 21222233662.

It can be written as a sum of positive squares in only one way, i.e., 22968614916 + 3664607296 = 151554^2 + 60536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3329152773 + ... + 3329152780.

Almost surely, 2^26633222212 is an apocalyptic number.

It is an amenable number.

26633222212 is a deficient number, since it is larger than the sum of its proper divisors (19974916666).

26633222212 is a wasteful number, since it uses less digits than its factorization.

26633222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658305557 (or 6658305555 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 26633222212 its reverse (21222233662), we get a palindrome (47855455874).

The spelling of 26633222212 in words is "twenty-six billion, six hundred thirty-three million, two hundred twenty-two thousand, two hundred twelve".