1222354568 has 36 divisors (see below), whose sum is σ = 2350654215. Its totient is φ = 595899088.

The previous prime is 1222354547. The next prime is 1222354571. The reversal of 1222354568 is 8654532221.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 611177284 + 611177284 = 24722^2 + 24722^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24722.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4647605 + ... + 4647867.

Almost surely, 2^1222354568 is an apocalyptic number.

It is an amenable number.

1222354568 is a deficient number, since it is larger than the sum of its proper divisors (1128299647).

1222354568 is an frugal number, since it uses more digits than its factorization.

1222354568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 312 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 1222354568 is about 34962.1876889877. The cubic root of 1222354568 is about 1069.2166998445.

Multiplying 1222354568 by its product of digits (115200), we get a square (140815246233600 = 11866560²).

Adding to 1222354568 its reverse (8654532221), we get a palindrome (9876886789).

The spelling of 1222354568 in words is "one billion, two hundred twenty-two million, three hundred fifty-four thousand, five hundred sixty-eight".