626226 has 32 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 194880.

The previous prime is 626207. The next prime is 626239. The reversal of 626226 is 622626.

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 = 626196 and 626205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10236 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2⁶²⁶²²⁶ is an apocalyptic number.

626226 is an abundant number, since it is smaller than the sum of its proper divisors (712974).

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

626226 is a wasteful number, since it uses less digits than its factorization.

626226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154.

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

The square root of 626226 is about 791.3444256454. The cubic root of 626226 is about 85.5546656329.

Subtracting from 626226 its reverse (622626), we obtain a square (3600 = 60²).

The spelling of 626226 in words is "six hundred twenty-six thousand, two hundred twenty-six".