622538236 has 12 divisors (see below), whose sum is σ = 1089687928. Its totient is φ = 311198832.

The previous prime is 622538221. The next prime is 622538237. The reversal of 622538236 is 632835226.

It is a junction number, because it is equal to n+sod(n) for n = 622538195 and 622538204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622538237) 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 in 3 ways as a sum of consecutive naturals, for example, 5815 + ... + 35761.

Almost surely, 2^622538236 is an apocalyptic number.

It is an amenable number.

622538236 is a deficient number, since it is larger than the sum of its proper divisors (467149692).

622538236 is a wasteful number, since it uses less digits than its factorization.

622538236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35148 (or 35146 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 622538236 is about 24950.7161420269. The cubic root of 622538236 is about 853.8639476712.

The spelling of 622538236 in words is "six hundred twenty-two million, five hundred thirty-eight thousand, two hundred thirty-six".