86444422 has 8 divisors (see below), whose sum is σ = 137294136. Its totient is φ = 40679712.

The previous prime is 86444401. The next prime is 86444429. The reversal of 86444422 is 22444468.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2542483 = 86444422 / (8 + 6 + 4 + 4 + 4 + 4 + 2 + 2).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86444429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271208 + ... + 1271275.

It is an arithmetic number, because the mean of its divisors is an integer number (17161767).

Almost surely, 2^86444422 is an apocalyptic number.

86444422 is a deficient number, since it is larger than the sum of its proper divisors (50849714).

86444422 is a wasteful number, since it uses less digits than its factorization.

86444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542502.

The product of its digits is 49152, while the sum is 34.

The square root of 86444422 is about 9297.5492469790. The cubic root of 86444422 is about 442.1595316926.

The spelling of 86444422 in words is "eighty-six million, four hundred forty-four thousand, four hundred twenty-two".