22231626 has 8 divisors (see below), whose sum is σ = 44463264. Its totient is φ = 7410540.

The previous prime is 22231609. The next prime is 22231637. The reversal of 22231626 is 62613222.

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

22231626 is an admirable number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22231596 and 22231605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852630 + ... + 1852641.

It is an arithmetic number, because the mean of its divisors is an integer number (5557908).

Almost surely, 2^22231626 is an apocalyptic number.

22231626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22231626 is a wasteful number, since it uses less digits than its factorization.

22231626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705276.

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

The square root of 22231626 is about 4715.0425236683. The cubic root of 22231626 is about 281.1838734414.

Adding to 22231626 its reverse (62613222), we get a palindrome (84844848).

The spelling of 22231626 in words is "twenty-two million, two hundred thirty-one thousand, six hundred twenty-six".