22462216 has 32 divisors (see below), whose sum is σ = 48386880. Its totient is φ = 9576000.

The previous prime is 22462201. The next prime is 22462217. The reversal of 22462216 is 61226422.

It is a super-2 number, since 2×22462216² = 1009102295261312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22462217) 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 7 ways as a sum of consecutive naturals, for example, 10866 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (1512090).

Almost surely, 2^22462216 is an apocalyptic number.

It is an amenable number.

22462216 is an abundant number, since it is smaller than the sum of its proper divisors (25924664).

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

22462216 is a wasteful number, since it uses less digits than its factorization.

22462216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2121 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 22462216 is about 4739.4320334825. The cubic root of 22462216 is about 282.1526929892.

Adding to 22462216 its reverse (61226422), we get a palindrome (83688638).

The spelling of 22462216 in words is "twenty-two million, four hundred sixty-two thousand, two hundred sixteen".