866954322 has 48 divisors (see below), whose sum is σ = 2031703128. Its totient is φ = 265593600.

The previous prime is 866954317. The next prime is 866954327. The reversal of 866954322 is 223459668.

866954322 is a `hidden beast` number, since 86 + 6 + 9 + 543 + 22 = 666.

866954322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (866954317) and next prime (866954327).

It can be written as a sum of positive squares in 4 ways, for example, as 739241721 + 127712601 = 27189^2 + 11301^2 .

It is not an unprimeable number, because it can be changed into a prime (866954327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46572 + ... + 62472.

Almost surely, 2^866954322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866954322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015851564).

866954322 is an abundant number, since it is smaller than the sum of its proper divisors (1164748806).

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

866954322 is a wasteful number, since it uses less digits than its factorization.

866954322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155 (or 16152 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 866954322 is about 29444.0880653485. The cubic root of 866954322 is about 953.5249734819.

The spelling of 866954322 in words is "eight hundred sixty-six million, nine hundred fifty-four thousand, three hundred twenty-two".