1222338868 has 12 divisors (see below), whose sum is σ = 2145929380. Its totient is φ = 609216192.

The previous prime is 1222338853. The next prime is 1222338881. The reversal of 1222338868 is 8688332221.

It can be written as a sum of positive squares in 2 ways, for example, as 563492644 + 658846224 = 23738^2 + 25668^2 .

It is a super-2 number, since 2×1222338868² = 2988224616447042848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 486903 + ... + 489406.

Almost surely, 2^1222338868 is an apocalyptic number.

It is an amenable number.

1222338868 is a deficient number, since it is larger than the sum of its proper divisors (923590512).

1222338868 is a wasteful number, since it uses less digits than its factorization.

1222338868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976626 (or 976624 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 1222338868 is about 34961.9631599829. The cubic root of 1222338868 is about 1069.2121221290.

The spelling of 1222338868 in words is "one billion, two hundred twenty-two million, three hundred thirty-eight thousand, eight hundred sixty-eight".