622699027 has 4 divisors (see below), whose sum is σ = 655472680. Its totient is φ = 589925376.

The previous prime is 622699009. The next prime is 622699031. The reversal of 622699027 is 720996226.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 622699027 - 2¹⁹ = 622174739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622699087) 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 3 ways as a sum of consecutive naturals, for example, 16386798 + ... + 16386835.

It is an arithmetic number, because the mean of its divisors is an integer number (163868170).

Almost surely, 2^622699027 is an apocalyptic number.

622699027 is a deficient number, since it is larger than the sum of its proper divisors (32773653).

622699027 is a wasteful number, since it uses less digits than its factorization.

622699027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32773652.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 622699027 is about 24953.9381060385. The cubic root of 622699027 is about 853.9374541706.

The spelling of 622699027 in words is "six hundred twenty-two million, six hundred ninety-nine thousand, twenty-seven".