1085772486222 has 16 divisors (see below), whose sum is σ = 2412827747280. Its totient is φ = 361924162056.

The previous prime is 1085772486203. The next prime is 1085772486229. The reversal of 1085772486222 is 2226842775801.

It is a happy number.

1085772486222 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 7 + 7 + 2 + 4 + 8 + 622 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 20106897893 = 1085772486222 / (1 + 0 + 8 + 5 + 7 + 7 + 2 + 4 + 8 + 6 + 2 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085772486229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10053448893 + ... + 10053449000.

It is an arithmetic number, because the mean of its divisors is an integer number (150801734205).

Almost surely, 2^{1085772486222} is an apocalyptic number.

1085772486222 is an abundant number, since it is smaller than the sum of its proper divisors (1327055261058).

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

1085772486222 is a wasteful number, since it uses less digits than its factorization.

1085772486222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106897904 (or 20106897898 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 1085772486222 in words is "one trillion, eighty-five billion, seven hundred seventy-two million, four hundred eighty-six thousand, two hundred twenty-two".