22272067 has 4 divisors (see below), whose sum is σ = 22287816. Its totient is φ = 22256320.

The previous prime is 22272059. The next prime is 22272071. The reversal of 22272067 is 76027222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76027222 = 2 ⋅38013611.

It is a cyclic number.

It is not a de Polignac number, because 22272067 - 2³ = 22272059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22272017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5518 + ... + 8659.

It is an arithmetic number, because the mean of its divisors is an integer number (5571954).

Almost surely, 2^22272067 is an apocalyptic number.

22272067 is a deficient number, since it is larger than the sum of its proper divisors (15749).

22272067 is a wasteful number, since it uses less digits than its factorization.

22272067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15748.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 22272067 is about 4719.3290836728. The cubic root of 22272067 is about 281.3542683684.

Adding to 22272067 its reverse (76027222), we get a palindrome (98299289).

The spelling of 22272067 in words is "twenty-two million, two hundred seventy-two thousand, sixty-seven".