22506126 has 8 divisors (see below), whose sum is σ = 45012264. Its totient is φ = 7502040.

The previous prime is 22506109. The next prime is 22506149. The reversal of 22506126 is 62160522.

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

22506126 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22506096 and 22506105.

It is a congruent number.

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, 1875505 + ... + 1875516.

It is an arithmetic number, because the mean of its divisors is an integer number (5626533).

Almost surely, 2^22506126 is an apocalyptic number.

22506126 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.

22506126 is a wasteful number, since it uses less digits than its factorization.

22506126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751026.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22506126 is about 4744.0621834036. The cubic root of 22506126 is about 282.3364276137.

Adding to 22506126 its reverse (62160522), we get a palindrome (84666648).

The spelling of 22506126 in words is "twenty-two million, five hundred six thousand, one hundred twenty-six".