1222678105740 has 288 divisors, whose sum is σ = 4565837028480. Its totient is φ = 257905410048.

The previous prime is 1222678105729. The next prime is 1222678105813. The reversal of 1222678105740 is 475018762221.

1222678105740 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 6 + 78 + 1 + 0 + 574 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89051196 + ... + 89064924.

Almost surely, 2^{1222678105740} is an apocalyptic number.

1222678105740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222678105740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2282918514240).

1222678105740 is an abundant number, since it is smaller than the sum of its proper divisors (3343158922740).

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

1222678105740 is a wasteful number, since it uses less digits than its factorization.

1222678105740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201 (or 19196 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 1222678105740 in words is "one trillion, two hundred twenty-two billion, six hundred seventy-eight million, one hundred five thousand, seven hundred forty".