622489819 has 8 divisors (see below), whose sum is σ = 715143168. Its totient is φ = 530768040.

The previous prime is 622489817. The next prime is 622489891. The reversal of 622489819 is 918984226.

622489819 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 cyclic number.

It is not a de Polignac number, because 622489819 - 2¹ = 622489817 is a prime.

It is a super-2 number, since 2×622489819² = 774987149517305522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622489817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231457 + ... + 234130.

It is an arithmetic number, because the mean of its divisors is an integer number (89392896).

Almost surely, 2^622489819 is an apocalyptic number.

622489819 is a deficient number, since it is larger than the sum of its proper divisors (92653349).

622489819 is a wasteful number, since it uses less digits than its factorization.

622489819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465785.

The product of its digits is 497664, while the sum is 49.

The square root of 622489819 is about 24949.7458704493. The cubic root of 622489819 is about 853.8418110911.

The spelling of 622489819 in words is "six hundred twenty-two million, four hundred eighty-nine thousand, eight hundred nineteen".