22434388 has 6 divisors (see below), whose sum is σ = 39260186. Its totient is φ = 11217192.

The previous prime is 22434353. The next prime is 22434403. The reversal of 22434388 is 88343422.

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 6290064 = 4018^2 + 2508^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804295 + ... + 2804302.

Almost surely, 2^22434388 is an apocalyptic number.

It is an amenable number.

22434388 is a deficient number, since it is larger than the sum of its proper divisors (16825798).

22434388 is a wasteful number, since it uses less digits than its factorization.

22434388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608601 (or 5608599 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 22434388 is about 4736.4953288270. The cubic root of 22434388 is about 282.0361270216.

It can be divided in two parts, 22434 and 388, that added together give a palindrome (22822).

The spelling of 22434388 in words is "twenty-two million, four hundred thirty-four thousand, three hundred eighty-eight".