622440004 has 6 divisors (see below), whose sum is σ = 1089270014. Its totient is φ = 311220000.

The previous prime is 622440001. The next prime is 622440037. The reversal of 622440004 is 400044226.

It can be written as a sum of positive squares in only one way, i.e., 447407104 + 175032900 = 21152^2 + 13230^2 .

It is not an unprimeable number, because it can be changed into a prime (622440001) 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 as a sum of consecutive naturals, namely, 77804997 + ... + 77805004.

Almost surely, 2^622440004 is an apocalyptic number.

It is an amenable number.

622440004 is a deficient number, since it is larger than the sum of its proper divisors (466830010).

622440004 is a wasteful number, since it uses less digits than its factorization.

622440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155610005 (or 155610003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 622440004 is about 24948.7475437145. The cubic root of 622440004 is about 853.8190341379.

The spelling of 622440004 in words is "six hundred twenty-two million, four hundred forty thousand, four".