1222345677880 has 64 divisors (see below), whose sum is σ = 2783788560000. Its totient is φ = 482982387840.

The previous prime is 1222345677877. The next prime is 1222345677887. The reversal of 1222345677880 is 887765432221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222345677887) 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, 30161871 + ... + 30202369.

It is an arithmetic number, because the mean of its divisors is an integer number (43496696250).

Almost surely, 2^{1222345677880} is an apocalyptic number.

1222345677880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222345677880 is an abundant number, since it is smaller than the sum of its proper divisors (1561442882120).

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

1222345677880 is a wasteful number, since it uses less digits than its factorization.

1222345677880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49684 (or 49680 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 1222345677880 in words is "one trillion, two hundred twenty-two billion, three hundred forty-five million, six hundred seventy-seven thousand, eight hundred eighty".