622354 has 4 divisors (see below), whose sum is σ = 933534. Its totient is φ = 311176.

The previous prime is 622351. The next prime is 622367. The reversal of 622354 is 453226.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 458329 + 164025 = 677^2 + 405^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155587 + ... + 155590.

2⁶²²³⁵⁴ is an apocalyptic number.

622354 is a deficient number, since it is larger than the sum of its proper divisors (311180).

622354 is a wasteful number, since it uses less digits than its factorization.

622354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311179.

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

The square root of 622354 is about 788.8941627367. The cubic root of 622354 is about 85.3779707598.

The spelling of 622354 in words is "six hundred twenty-two thousand, three hundred fifty-four".