22223667 has 4 divisors (see below), whose sum is σ = 29631560. Its totient is φ = 14815776.

The previous prime is 22223659. The next prime is 22223687. The reversal of 22223667 is 76632222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22223667 - 2³ = 22223659 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22223687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703942 + ... + 3703947.

It is an arithmetic number, because the mean of its divisors is an integer number (7407890).

Almost surely, 2^22223667 is an apocalyptic number.

22223667 is a deficient number, since it is larger than the sum of its proper divisors (7407893).

22223667 is an equidigital number, since it uses as much as digits as its factorization.

22223667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407892.

The product of its digits is 12096, while the sum is 30.

The square root of 22223667 is about 4714.1984472442. The cubic root of 22223667 is about 281.1503144991.

Adding to 22223667 its reverse (76632222), we get a palindrome (98855889).

The spelling of 22223667 in words is "twenty-two million, two hundred twenty-three thousand, six hundred sixty-seven".