1222211026 has 8 divisors (see below), whose sum is σ = 1835084160. Its totient is φ = 610516308.

The previous prime is 1222211017. The next prime is 1222211057. The reversal of 1222211026 is 6201122221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1222210994 and 1222211012.

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, 292006 + ... + 296161.

It is an arithmetic number, because the mean of its divisors is an integer number (229385520).

Almost surely, 2^1222211026 is an apocalyptic number.

1222211026 is a deficient number, since it is larger than the sum of its proper divisors (612873134).

1222211026 is a wasteful number, since it uses less digits than its factorization.

1222211026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589208.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1222211026 is about 34960.1348109529. The cubic root of 1222211026 is about 1069.1748452371.

Adding to 1222211026 its reverse (6201122221), we get a palindrome (7423333247).

The spelling of 1222211026 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, twenty-six".