1222266622 has 8 divisors (see below), whose sum is σ = 1833890976. Its totient is φ = 610969632.

The previous prime is 1222266611. The next prime is 1222266649. The reversal of 1222266622 is 2266622221.

It is a happy number.

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

It is a congruent number.

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, 72283 + ... + 87574.

It is an arithmetic number, because the mean of its divisors is an integer number (229236372).

Almost surely, 2^1222266622 is an apocalyptic number.

1222266622 is a deficient number, since it is larger than the sum of its proper divisors (611624354).

1222266622 is a wasteful number, since it uses less digits than its factorization.

1222266622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163682.

The product of its digits is 13824, while the sum is 31.

The square root of 1222266622 is about 34960.9299361444. The cubic root of 1222266622 is about 1069.1910565520.

Adding to 1222266622 its reverse (2266622221), we get a palindrome (3488888843).

The spelling of 1222266622 in words is "one billion, two hundred twenty-two million, two hundred sixty-six thousand, six hundred twenty-two".