622534 has 8 divisors (see below), whose sum is σ = 1018728. Its totient is φ = 282960.

The previous prime is 622529. The next prime is 622547. The reversal of 622534 is 435226.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 28297 = 622534 / (6 + 2 + 2 + 5 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14127 + ... + 14170.

It is an arithmetic number, because the mean of its divisors is an integer number (127341).

2⁶²²⁵³⁴ is an apocalyptic number.

622534 is a deficient number, since it is larger than the sum of its proper divisors (396194).

622534 is a wasteful number, since it uses less digits than its factorization.

622534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310.

The product of its digits is 1440, while the sum is 22.

The square root of 622534 is about 789.0082382333. The cubic root of 622534 is about 85.3862010989.

It can be divided in two parts, 622 and 534, that added together give a square (1156 = 34²).

The spelling of 622534 in words is "six hundred twenty-two thousand, five hundred thirty-four".