622831 has 8 divisors (see below), whose sum is σ = 696528. Its totient is φ = 552000.

The previous prime is 622813. The next prime is 622849. The reversal of 622831 is 138226.

622831 = T₃₃₁ + T₃₃₂ + ... + T₃₄₁.

622831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (622813) and next prime (622849).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622831 - 2¹³ = 614639 is a prime.

It is a super-2 number, since 2×622831² = 775836909122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622831.

It is not an unprimeable number, because it can be changed into a prime (622861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (87066).

2⁶²²⁸³¹ is an apocalyptic number.

622831 is a deficient number, since it is larger than the sum of its proper divisors (73697).

622831 is a wasteful number, since it uses less digits than its factorization.

622831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its digits is 576, while the sum is 22.

The square root of 622831 is about 789.1964267532. The cubic root of 622831 is about 85.3997776907.

The spelling of 622831 in words is "six hundred twenty-two thousand, eight hundred thirty-one".