1222222467790 has 32 divisors (see below), whose sum is σ = 2259552193920. Its totient is φ = 475656344064.

The previous prime is 1222222467769. The next prime is 1222222467797. The reversal of 1222222467790 is 977642222221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222222467790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222222467797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11841526 + ... + 11944294.

It is an arithmetic number, because the mean of its divisors is an integer number (70611006060).

Almost surely, 2^{1222222467790} is an apocalyptic number.

1222222467790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222222467790 is a deficient number, since it is larger than the sum of its proper divisors (1037329726130).

1222222467790 is a wasteful number, since it uses less digits than its factorization.

1222222467790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134956.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 1222222467790 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, four hundred sixty-seven thousand, seven hundred ninety".