622848406 has 4 divisors (see below), whose sum is σ = 934272612. Its totient is φ = 311424202.

The previous prime is 622848361. The next prime is 622848409. The reversal of 622848406 is 604848226.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622848409) 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 as a sum of consecutive naturals, namely, 155712100 + ... + 155712103.

It is an arithmetic number, because the mean of its divisors is an integer number (233568153).

Almost surely, 2^622848406 is an apocalyptic number.

622848406 is a deficient number, since it is larger than the sum of its proper divisors (311424206).

622848406 is a wasteful number, since it uses less digits than its factorization.

622848406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311424205.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 622848406 is about 24956.9310212614. The cubic root of 622848406 is about 854.0057322733.

The spelling of 622848406 in words is "six hundred twenty-two million, eight hundred forty-eight thousand, four hundred six".