22262266 has 8 divisors (see below), whose sum is σ = 35962164. Its totient is φ = 10274880.

The previous prime is 22262257. The next prime is 22262297. The reversal of 22262266 is 66226222.

It can be written as a sum of positive squares in 2 ways, for example, as 17514225 + 4748041 = 4185^2 + 2179^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428095 + ... + 428146.

Almost surely, 2^22262266 is an apocalyptic number.

22262266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22262266 is a deficient number, since it is larger than the sum of its proper divisors (13699898).

22262266 is a wasteful number, since it uses less digits than its factorization.

22262266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856256.

The product of its digits is 6912, while the sum is 28.

The square root of 22262266 is about 4718.2905802843. The cubic root of 22262266 is about 281.3129915862.

Adding to 22262266 its reverse (66226222), we get a palindrome (88488488).

The spelling of 22262266 in words is "twenty-two million, two hundred sixty-two thousand, two hundred sixty-six".