1222743734018 has 8 divisors (see below), whose sum is σ = 1839901455612. Its totient is φ = 609443248816.

The previous prime is 1222743733993. The next prime is 1222743734021. The reversal of 1222743734018 is 8104373472221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1221371994649 + 1371739369 = 1105157^2 + 37037^2 .

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 1222743734018.

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, 964308305 + ... + 964309572.

Almost surely, 2^{1222743734018} is an apocalyptic number.

1222743734018 is a deficient number, since it is larger than the sum of its proper divisors (617157721594).

1222743734018 is a wasteful number, since it uses less digits than its factorization.

1222743734018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928618196.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 1222743734018 in words is "one trillion, two hundred twenty-two billion, seven hundred forty-three million, seven hundred thirty-four thousand, eighteen".