1066615822 has 12 divisors (see below), whose sum is σ = 1653202008. Its totient is φ = 516103500.

The previous prime is 1066615801. The next prime is 1066615859. The reversal of 1066615822 is 2285166601.

1066615822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066615822² = 2275338623481471368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275554 + ... + 279397.

It is an arithmetic number, because the mean of its divisors is an integer number (137766834).

Almost surely, 2^1066615822 is an apocalyptic number.

1066615822 is a deficient number, since it is larger than the sum of its proper divisors (586586186).

1066615822 is an equidigital number, since it uses as much as digits as its factorization.

1066615822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555015 (or 554984 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1066615822 is about 32659.0848310237. The cubic root of 1066615822 is about 1021.7296751219.

The spelling of 1066615822 in words is "one billion, sixty-six million, six hundred fifteen thousand, eight hundred twenty-two".