1222553222 has 8 divisors (see below), whose sum is σ = 2000541672. Its totient is φ = 555706000.

The previous prime is 1222553197. The next prime is 1222553239. The reversal of 1222553222 is 2223552221.

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 = 1222553191 and 1222553200.

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, 27785279 + ... + 27785322.

It is an arithmetic number, because the mean of its divisors is an integer number (250067709).

Almost surely, 2^1222553222 is an apocalyptic number.

1222553222 is a deficient number, since it is larger than the sum of its proper divisors (777988450).

1222553222 is a wasteful number, since it uses less digits than its factorization.

1222553222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55570614.

The product of its digits is 4800, while the sum is 26.

The square root of 1222553222 is about 34965.0285571169. The cubic root of 1222553222 is about 1069.2746188462.

The spelling of 1222553222 in words is "one billion, two hundred twenty-two million, five hundred fifty-three thousand, two hundred twenty-two".