622278339 has 16 divisors (see below), whose sum is σ = 841344000. Its totient is φ = 409046976.

The previous prime is 622278337. The next prime is 622278343. The reversal of 622278339 is 933872226.

622278339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 622278339 - 2¹ = 622278337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622278339.

It is not an unprimeable number, because it can be changed into a prime (622278331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247362 + ... + 249864.

It is an arithmetic number, because the mean of its divisors is an integer number (52584000).

Almost surely, 2^622278339 is an apocalyptic number.

622278339 is a deficient number, since it is larger than the sum of its proper divisors (219065661).

622278339 is a wasteful number, since it uses less digits than its factorization.

622278339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634.

The product of its digits is 217728, while the sum is 42.

The square root of 622278339 is about 24945.5073911115. The cubic root of 622278339 is about 853.7451075451.

The spelling of 622278339 in words is "six hundred twenty-two million, two hundred seventy-eight thousand, three hundred thirty-nine".