622351 has 2 divisors, whose sum is σ = 622352. Its totient is φ = 622350.

The previous prime is 622337. The next prime is 622367. The reversal of 622351 is 153226.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622351 - 2¹¹ = 620303 is a prime.

622351 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622301) by changing a digit.

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 as a sum of consecutive naturals, namely, 311175 + 311176.

It is an arithmetic number, because the mean of its divisors is an integer number (311176).

2⁶²²³⁵¹ is an apocalyptic number.

622351 is a deficient number, since it is larger than the sum of its proper divisors (1).

622351 is an equidigital number, since it uses as much as digits as its factorization.

622351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 622351 is about 788.8922613386. The cubic root of 622351 is about 85.3778335741.

Adding to 622351 its reverse (153226), we get a palindrome (775577).

The spelling of 622351 in words is "six hundred twenty-two thousand, three hundred fifty-one".