622215 has 32 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 300960.

The previous prime is 622189. The next prime is 622241. The reversal of 622215 is 512226.

It is an interprime number because it is at equal distance from previous prime (622189) and next prime (622241).

It is not a de Polignac number, because 622215 - 2⁶ = 622151 is a prime.

It is a super-3 number, since 3×622215³ = 722674423337365125, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁶²²²¹⁵ is an apocalyptic number.

622215 is a deficient number, since it is larger than the sum of its proper divisors (587385).

622215 is a wasteful number, since it uses less digits than its factorization.

622215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 438 counting only the distinct ones).

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

The square root of 622215 is about 788.8060598145. The cubic root of 622215 is about 85.3716140231.

It can be divided in two parts, 62221 and 5, that added together give a palindrome (62226).

The spelling of 622215 in words is "six hundred twenty-two thousand, two hundred fifteen".