626622 has 16 divisors (see below), whose sum is σ = 1262352. Its totient is φ = 207360.

The previous prime is 626621. The next prime is 626623. The reversal of 626622 is 226626.

It is an interprime number because it is at equal distance from previous prime (626621) and next prime (626623).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 626592 and 626601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626621) 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 7 ways as a sum of consecutive naturals, for example, 798 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (78897).

2⁶²⁶⁶²² is an apocalyptic number.

626622 is an abundant number, since it is smaller than the sum of its proper divisors (635730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

626622 is a wasteful number, since it uses less digits than its factorization.

626622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its digits is 1728, while the sum is 24.

The square root of 626622 is about 791.5945932104. The cubic root of 626622 is about 85.5726956033.

The spelling of 626622 in words is "six hundred twenty-six thousand, six hundred twenty-two".