22209027 has 16 divisors (see below), whose sum is σ = 30602880. Its totient is φ = 14317632.

The previous prime is 22209017. The next prime is 22209037. The reversal of 22209027 is 72090222.

It is an interprime number because it is at equal distance from previous prime (22209017) and next prime (22209037).

It is not a de Polignac number, because 22209027 - 2¹⁶ = 22143491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22208988 and 22209006.

It is not an unprimeable number, because it can be changed into a prime (22209017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12999 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^22209027 is an apocalyptic number.

22209027 is a deficient number, since it is larger than the sum of its proper divisors (8393853).

22209027 is a wasteful number, since it uses less digits than its factorization.

22209027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22209027 is about 4712.6454354216. The cubic root of 22209027 is about 281.0885643424.

Adding to 22209027 its reverse (72090222), we get a palindrome (94299249).

The spelling of 22209027 in words is "twenty-two million, two hundred nine thousand, twenty-seven".