23222066 has 32 divisors (see below), whose sum is σ = 42562560. Its totient is φ = 9280656.

The previous prime is 23222063. The next prime is 23222081. The reversal of 23222066 is 66022232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23222063) 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, 17171 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (1330080).

Almost surely, 2^23222066 is an apocalyptic number.

23222066 is a deficient number, since it is larger than the sum of its proper divisors (19340494).

23222066 is a wasteful number, since it uses less digits than its factorization.

23222066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23222066 is about 4818.9278890641. The cubic root of 23222066 is about 285.2990233855.

Adding to 23222066 its reverse (66022232), we get a palindrome (89244298).

The spelling of 23222066 in words is "twenty-three million, two hundred twenty-two thousand, sixty-six".