22351336 has 16 divisors (see below), whose sum is σ = 47895840. Its totient is φ = 9579120.

The previous prime is 22351333. The next prime is 22351349. The reversal of 22351336 is 63315322.

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 22351336.

It is not an unprimeable number, because it can be changed into a prime (22351333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199510 + ... + 199621.

It is an arithmetic number, because the mean of its divisors is an integer number (2993490).

Almost surely, 2^22351336 is an apocalyptic number.

It is an amenable number.

22351336 is an abundant number, since it is smaller than the sum of its proper divisors (25544504).

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

22351336 is a wasteful number, since it uses less digits than its factorization.

22351336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399144 (or 399140 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 22351336 is about 4727.7199578655. The cubic root of 22351336 is about 281.6876645216.

Adding to 22351336 its reverse (63315322), we get a palindrome (85666658).

The spelling of 22351336 in words is "twenty-two million, three hundred fifty-one thousand, three hundred thirty-six".