1194078722226 has 64 divisors (see below), whose sum is σ = 2642191483008. Its totient is φ = 357367915008.

The previous prime is 1194078722197. The next prime is 1194078722231. The reversal of 1194078722226 is 6222278704911.

It is a happy 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, 9481446 + ... + 9606558.

It is an arithmetic number, because the mean of its divisors is an integer number (41284241922).

Almost surely, 2^{1194078722226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194078722226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321095741504).

1194078722226 is an abundant number, since it is smaller than the sum of its proper divisors (1448112760782).

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

1194078722226 is a wasteful number, since it uses less digits than its factorization.

1194078722226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128475.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 1194078722226 in words is "one trillion, one hundred ninety-four billion, seventy-eight million, seven hundred twenty-two thousand, two hundred twenty-six".