22506027 has 8 divisors (see below), whose sum is σ = 30819216. Its totient is φ = 14598432.

The previous prime is 22506023. The next prime is 22506047. The reversal of 22506027 is 72060522.

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

It is not a de Polignac number, because 22506027 - 2² = 22506023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22505988 and 22506006.

It is not an unprimeable number, because it can be changed into a prime (22506023) 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, 101268 + ... + 101489.

It is an arithmetic number, because the mean of its divisors is an integer number (3852402).

Almost surely, 2^22506027 is an apocalyptic number.

22506027 is a deficient number, since it is larger than the sum of its proper divisors (8313189).

22506027 is a wasteful number, since it uses less digits than its factorization.

22506027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202797.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22506027 is about 4744.0517492962. The cubic root of 22506027 is about 282.3360136323.

Adding to 22506027 its reverse (72060522), we get a palindrome (94566549).

The spelling of 22506027 in words is "twenty-two million, five hundred six thousand, twenty-seven".