22213734 has 8 divisors (see below), whose sum is σ = 44427480. Its totient is φ = 7404576.

The previous prime is 22213733. The next prime is 22213753. The reversal of 22213734 is 43731222.

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

22213734 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213733) by changing a digit.

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, 1851139 + ... + 1851150.

It is an arithmetic number, because the mean of its divisors is an integer number (5553435).

Almost surely, 2^22213734 is an apocalyptic number.

22213734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22213734 is a wasteful number, since it uses less digits than its factorization.

22213734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3702294.

The product of its digits is 2016, while the sum is 24.

The square root of 22213734 is about 4713.1448099968. The cubic root of 22213734 is about 281.1084209891.

Adding to 22213734 its reverse (43731222), we get a palindrome (65944956).

The spelling of 22213734 in words is "twenty-two million, two hundred thirteen thousand, seven hundred thirty-four".