23622266 has 8 divisors (see below), whose sum is σ = 35588820. Its totient is φ = 11759328.

The previous prime is 23622251. The next prime is 23622271. The reversal of 23622266 is 66222632.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21893041 + 1729225 = 4679^2 + 1315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23622266² = 1116022901949512, which contains 22 as substring.

It is an unprimeable number.

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, 25331 + ... + 26246.

Almost surely, 2^23622266 is an apocalyptic number.

23622266 is a deficient number, since it is larger than the sum of its proper divisors (11966554).

23622266 is a wasteful number, since it uses less digits than its factorization.

23622266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51808.

The product of its digits is 10368, while the sum is 29.

The square root of 23622266 is about 4860.2742720962. The cubic root of 23622266 is about 286.9286083035.

Adding to 23622266 its reverse (66222632), we get a palindrome (89844898).

The spelling of 23622266 in words is "twenty-three million, six hundred twenty-two thousand, two hundred sixty-six".