622355 has 4 divisors (see below), whose sum is σ = 746832. Its totient is φ = 497880.

The previous prime is 622351. The next prime is 622367. The reversal of 622355 is 553226.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 622355 - 2² = 622351 is a prime.

It is a d-powerful number, because it can be written as 6 + 2⁷ + 3⁹ + 2¹⁹ + 5³ + 5⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622355.

It is not an unprimeable number, because it can be changed into a prime (622351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62231 + ... + 62240.

It is an arithmetic number, because the mean of its divisors is an integer number (186708).

2⁶²²³⁵⁵ is an apocalyptic number.

622355 is a deficient number, since it is larger than the sum of its proper divisors (124477).

622355 is a wasteful number, since it uses less digits than its factorization.

622355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124476.

The product of its digits is 1800, while the sum is 23.

The square root of 622355 is about 788.8947965350. The cubic root of 622355 is about 85.3780164883.

The spelling of 622355 in words is "six hundred twenty-two thousand, three hundred fifty-five".