22222267 has 4 divisors (see below), whose sum is σ = 23391880. Its totient is φ = 21052656.

The previous prime is 22222261. The next prime is 22222273. The reversal of 22222267 is 76222222.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (22222261) and next prime (22222273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222267 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 (22222261) 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, 584778 + ... + 584815.

It is an arithmetic number, because the mean of its divisors is an integer number (5847970).

Almost surely, 2^22222267 is an apocalyptic number.

22222267 is a deficient number, since it is larger than the sum of its proper divisors (1169613).

22222267 is a wasteful number, since it uses less digits than its factorization.

22222267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169612.

The product of its digits is 2688, while the sum is 25.

The square root of 22222267 is about 4714.0499573085. The cubic root of 22222267 is about 281.1444106023.

Adding to 22222267 its reverse (76222222), we get a palindrome (98444489).

It can be divided in two parts, 2222 and 2267, that added together give a square (4489 = 67²).

The spelling of 22222267 in words is "twenty-two million, two hundred twenty-two thousand, two hundred sixty-seven".