622440286 has 8 divisors (see below), whose sum is σ = 1005480504. Its totient is φ = 287280120.

The previous prime is 622440281. The next prime is 622440319. The reversal of 622440286 is 682044226.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622440281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11969980 + ... + 11970031.

It is an arithmetic number, because the mean of its divisors is an integer number (125685063).

Almost surely, 2^622440286 is an apocalyptic number.

622440286 is a deficient number, since it is larger than the sum of its proper divisors (383040218).

622440286 is a wasteful number, since it uses less digits than its factorization.

622440286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23940026.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 622440286 is about 24948.7531953002. The cubic root of 622440286 is about 853.8191630804.

The spelling of 622440286 in words is "six hundred twenty-two million, four hundred forty thousand, two hundred eighty-six".