622736 has 10 divisors (see below), whose sum is σ = 1206582. Its totient is φ = 311360.

The previous prime is 622729. The next prime is 622751. The reversal of 622736 is 637226.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 309136 = 560^2 + 556^2 .

It is an unprimeable number.

622736 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19445 + ... + 19476.

2⁶²²⁷³⁶ is an apocalyptic number.

It is an amenable number.

622736 is a deficient number, since it is larger than the sum of its proper divisors (583846).

622736 is a wasteful number, since it uses less digits than its factorization.

622736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38929 (or 38923 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 622736 is about 789.1362366537. The cubic root of 622736 is about 85.3954354794.

The spelling of 622736 in words is "six hundred twenty-two thousand, seven hundred thirty-six".