622445332 has 12 divisors (see below), whose sum is σ = 1089704980. Its totient is φ = 311101056.

The previous prime is 622445273. The next prime is 622445353. The reversal of 622445332 is 233544226.

It can be written as a sum of positive squares in 2 ways, for example, as 294328336 + 328116996 = 17156^2 + 18114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 622445294 and 622445303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18357 + ... + 39772.

Almost surely, 2^622445332 is an apocalyptic number.

It is an amenable number.

622445332 is a deficient number, since it is larger than the sum of its proper divisors (467259648).

622445332 is a wasteful number, since it uses less digits than its factorization.

622445332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60810 (or 60808 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 622445332 is about 24948.8543223932. The cubic root of 622445332 is about 853.8214703217.

Adding to 622445332 its reverse (233544226), we get a palindrome (855989558).

It can be divided in two parts, 62244 and 5332, that added together give a palindrome (67576).

The spelling of 622445332 in words is "six hundred twenty-two million, four hundred forty-five thousand, three hundred thirty-two".