22063667 has 4 divisors (see below), whose sum is σ = 22209936. Its totient is φ = 21917400.

The previous prime is 22063663. The next prime is 22063669. The reversal of 22063667 is 76636022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76636022 = 2 ⋅38318011.

It is a cyclic number.

It is not a de Polignac number, because 22063667 - 2² = 22063663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22063663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72908 + ... + 73209.

It is an arithmetic number, because the mean of its divisors is an integer number (5552484).

Almost surely, 2^22063667 is an apocalyptic number.

22063667 is a deficient number, since it is larger than the sum of its proper divisors (146269).

22063667 is a wasteful number, since it uses less digits than its factorization.

22063667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146268.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 22063667 is about 4697.1977816566. The cubic root of 22063667 is about 280.4739718880.

Adding to 22063667 its reverse (76636022), we get a palindrome (98699689).

The spelling of 22063667 in words is "twenty-two million, sixty-three thousand, six hundred sixty-seven".