823745422 has 8 divisors (see below), whose sum is σ = 1239516936. Its totient is φ = 410573112.

The previous prime is 823745413. The next prime is 823745441. The reversal of 823745422 is 224547328.

823745422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649008 + ... + 650275.

It is an arithmetic number, because the mean of its divisors is an integer number (154939617).

Almost surely, 2^823745422 is an apocalyptic number.

823745422 is a deficient number, since it is larger than the sum of its proper divisors (415771514).

823745422 is a wasteful number, since it uses less digits than its factorization.

823745422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299602.

The product of its digits is 107520, while the sum is 37.

The square root of 823745422 is about 28700.9655238286. The cubic root of 823745422 is about 937.4130705057.

The spelling of 823745422 in words is "eight hundred twenty-three million, seven hundred forty-five thousand, four hundred twenty-two".