622485249 has 8 divisors (see below), whose sum is σ = 847639680. Its totient is φ = 406160496.

The previous prime is 622485221. The next prime is 622485251. The reversal of 622485249 is 942584226.

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

It is not a de Polignac number, because 622485249 - 2⁵ = 622485217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622485249.

It is not an unprimeable number, because it can be changed into a prime (622485349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207254 + ... + 2207535.

It is an arithmetic number, because the mean of its divisors is an integer number (105954960).

Almost surely, 2^622485249 is an apocalyptic number.

It is an amenable number.

622485249 is a deficient number, since it is larger than the sum of its proper divisors (225154431).

622485249 is a wasteful number, since it uses less digits than its factorization.

622485249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414839.

The product of its digits is 276480, while the sum is 42.

The square root of 622485249 is about 24949.6542861820. The cubic root of 622485249 is about 853.8397215969.

The spelling of 622485249 in words is "six hundred twenty-two million, four hundred eighty-five thousand, two hundred forty-nine".