622251 has 36 divisors (see below), whose sum is σ = 1120392. Its totient is φ = 330624.

The previous prime is 622249. The next prime is 622277. The reversal of 622251 is 152226.

It is not a de Polignac number, because 622251 - 2¹ = 622249 is a prime.

Its product of digits (240) is a multiple of the sum of its prime factors (120).

622251 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622241) 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 in 35 ways as a sum of consecutive naturals, for example, 7456 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (31122).

2⁶²²²⁵¹ is an apocalyptic number.

622251 is a deficient number, since it is larger than the sum of its proper divisors (498141).

622251 is a wasteful number, since it uses less digits than its factorization.

622251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 110 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 622251 is about 788.8288787817. The cubic root of 622251 is about 85.3732604630.

Adding to 622251 its reverse (152226), we get a palindrome (774477).

It can be divided in two parts, 62225 and 1, that added together give a palindrome (62226).

The spelling of 622251 in words is "six hundred twenty-two thousand, two hundred fifty-one".