1222913242 has 8 divisors (see below), whose sum is σ = 1838991636. Its totient is φ = 609916032.

The previous prime is 1222913231. The next prime is 1222913297. The reversal of 1222913242 is 2423192221.

It can be written as a sum of positive squares in 2 ways, for example, as 1119504681 + 103408561 = 33459^2 + 10169^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1222913242.

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, 769303 + ... + 770890.

Almost surely, 2^1222913242 is an apocalyptic number.

1222913242 is a deficient number, since it is larger than the sum of its proper divisors (616078394).

1222913242 is a wasteful number, since it uses less digits than its factorization.

1222913242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540592.

The product of its digits is 3456, while the sum is 28.

The square root of 1222913242 is about 34970.1764650967. The cubic root of 1222913242 is about 1069.3795692782.

The spelling of 1222913242 in words is "one billion, two hundred twenty-two million, nine hundred thirteen thousand, two hundred forty-two".