22162836 has 12 divisors (see below), whose sum is σ = 51713312. Its totient is φ = 7387608.

The previous prime is 22162831. The next prime is 22162841. The reversal of 22162836 is 63826122.

It is an interprime number because it is at equal distance from previous prime (22162831) and next prime (22162841).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162831) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 923440 + ... + 923463.

Almost surely, 2^22162836 is an apocalyptic number.

It is an amenable number.

22162836 is an abundant number, since it is smaller than the sum of its proper divisors (29550476).

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

22162836 is a wasteful number, since it uses less digits than its factorization.

22162836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846910 (or 1846908 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 22162836 is about 4707.7421339746. The cubic root of 22162836 is about 280.8935569455.

Adding to 22162836 its reverse (63826122), we get a palindrome (85988958).

The spelling of 22162836 in words is "twenty-two million, one hundred sixty-two thousand, eight hundred thirty-six".