22244618 has 16 divisors (see below), whose sum is σ = 36590400. Its totient is φ = 10058400.

The previous prime is 22244617. The next prime is 22244641. The reversal of 22244618 is 81644222.

It is not an unprimeable number, because it can be changed into a prime (22244617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838 + ... + 6918.

It is an arithmetic number, because the mean of its divisors is an integer number (2286900).

Almost surely, 2^22244618 is an apocalyptic number.

22244618 is a deficient number, since it is larger than the sum of its proper divisors (14345782).

22244618 is a wasteful number, since it uses less digits than its factorization.

22244618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293.

The product of its digits is 6144, while the sum is 29.

The square root of 22244618 is about 4716.4200406664. The cubic root of 22244618 is about 281.2386367096.

The spelling of 22244618 in words is "twenty-two million, two hundred forty-four thousand, six hundred eighteen".