622461 has 8 divisors (see below), whose sum is σ = 948544. Its totient is φ = 355680.

The previous prime is 622423. The next prime is 622477. The reversal of 622461 is 164226.

It is a happy number.

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

It is not a de Polignac number, because 622461 - 2⁶ = 622397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 29641 = 622461 / (6 + 2 + 2 + 4 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14800 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (118568).

2⁶²²⁴⁶¹ is an apocalyptic number.

It is an amenable number.

622461 is a deficient number, since it is larger than the sum of its proper divisors (326083).

622461 is a wasteful number, since it uses less digits than its factorization.

622461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29651.

The product of its digits is 576, while the sum is 21.

The square root of 622461 is about 788.9619762701. The cubic root of 622461 is about 85.3828634304.

Adding to 622461 its reverse (164226), we get a palindrome (786687).

The spelling of 622461 in words is "six hundred twenty-two thousand, four hundred sixty-one".