1226666222 has 16 divisors (see below), whose sum is σ = 1920903552. Its totient is φ = 586390200.

The previous prime is 1226666179. The next prime is 1226666261. The reversal of 1226666222 is 2226666221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119597 + ... + 129447.

It is an arithmetic number, because the mean of its divisors is an integer number (120056472).

Almost surely, 2^1226666222 is an apocalyptic number.

1226666222 is a deficient number, since it is larger than the sum of its proper divisors (694237330).

1226666222 is a wasteful number, since it uses less digits than its factorization.

1226666222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583.

The product of its digits is 41472, while the sum is 35.

The square root of 1226666222 is about 35023.7950827719. The cubic root of 1226666222 is about 1070.4723864054.

Subtracting 1226666222 from its reverse (2226666221), we obtain a palindrome (999999999).

The spelling of 1226666222 in words is "one billion, two hundred twenty-six million, six hundred sixty-six thousand, two hundred twenty-two".