861466422 has 64 divisors (see below), whose sum is σ = 1847577600. Its totient is φ = 266999040.

The previous prime is 861466393. The next prime is 861466447. The reversal of 861466422 is 224664168.

It is a congruent 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, 1998547 + ... + 1998977.

It is an arithmetic number, because the mean of its divisors is an integer number (28868400).

Almost surely, 2^861466422 is an apocalyptic number.

861466422 is an abundant number, since it is smaller than the sum of its proper divisors (986111178).

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

861466422 is a wasteful number, since it uses less digits than its factorization.

861466422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its digits is 110592, while the sum is 39.

The square root of 861466422 is about 29350.7482357776. The cubic root of 861466422 is about 951.5087464692.

The spelling of 861466422 in words is "eight hundred sixty-one million, four hundred sixty-six thousand, four hundred twenty-two".