22444266 has 16 divisors (see below), whose sum is σ = 48341664. Its totient is φ = 6905904.

The previous prime is 22444259. The next prime is 22444271. The reversal of 22444266 is 66244422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143796 + ... + 143951.

It is an arithmetic number, because the mean of its divisors is an integer number (3021354).

Almost surely, 2^22444266 is an apocalyptic number.

22444266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22444266 is an abundant number, since it is smaller than the sum of its proper divisors (25897398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22444266 is a wasteful number, since it uses less digits than its factorization.

22444266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287765.

The product of its digits is 18432, while the sum is 30.

The square root of 22444266 is about 4737.5379681856. The cubic root of 22444266 is about 282.0775150323.

Adding to 22444266 its reverse (66244422), we get a palindrome (88688688).

The spelling of 22444266 in words is "twenty-two million, four hundred forty-four thousand, two hundred sixty-six".