622430 has 16 divisors (see below), whose sum is σ = 1138320. Its totient is φ = 244992.

The previous prime is 622423. The next prime is 622477. The reversal of 622430 is 34226.

It is a junction number, because it is equal to n+sod(n) for n = 622399 and 622408.

It is a congruent number.

It is an unprimeable number.

622430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (71145).

2⁶²²⁴³⁰ is an apocalyptic number.

622430 is a deficient number, since it is larger than the sum of its proper divisors (515890).

622430 is a wasteful number, since it uses less digits than its factorization.

622430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 622430 is about 788.9423299583. The cubic root of 622430 is about 85.3814459854.

Adding to 622430 its reverse (34226), we get a palindrome (656656).

The spelling of 622430 in words is "six hundred twenty-two thousand, four hundred thirty".