1222345677774 has 64 divisors (see below), whose sum is σ = 2741170678848. Its totient is φ = 360917683200.

The previous prime is 1222345677757. The next prime is 1222345677829. The reversal of 1222345677774 is 4777765432221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2937889 + ... + 3328044.

It is an arithmetic number, because the mean of its divisors is an integer number (42830791857).

Almost surely, 2^{1222345677774} is an apocalyptic number.

1222345677774 is an abundant number, since it is smaller than the sum of its proper divisors (1518825001074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222345677774 is a wasteful number, since it uses less digits than its factorization.

1222345677774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266053.

The product of its digits is 27659520, while the sum is 57.

The spelling of 1222345677774 in words is "one trillion, two hundred twenty-two billion, three hundred forty-five million, six hundred seventy-seven thousand, seven hundred seventy-four".