22340536 has 16 divisors (see below), whose sum is σ = 42102000. Its totient is φ = 11113344.

The previous prime is 22340503. The next prime is 22340543. The reversal of 22340536 is 63504322.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22340536.

It is a congruent number.

It is an unprimeable number.

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, 5425 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (2631375).

Almost surely, 2^22340536 is an apocalyptic number.

It is an amenable number.

22340536 is a deficient number, since it is larger than the sum of its proper divisors (19761464).

22340536 is a wasteful number, since it uses less digits than its factorization.

22340536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14238 (or 14234 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22340536 is about 4726.5776202237. The cubic root of 22340536 is about 281.6422874145.

Adding to 22340536 its reverse (63504322), we get a palindrome (85844858).

The spelling of 22340536 in words is "twenty-two million, three hundred forty thousand, five hundred thirty-six".