22326516 has 30 divisors (see below), whose sum is σ = 58366770. Its totient is φ = 7442064.

The previous prime is 22326497. The next prime is 22326517. The reversal of 22326516 is 61562322.

22326516 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 651 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20738916 + 1587600 = 4554^2 + 1260^2 .

It is a super-3 number, since 3×22326516³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22326516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22326517) 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 9 ways as a sum of consecutive naturals, for example, 34131 + ... + 34778.

It is an arithmetic number, because the mean of its divisors is an integer number (1945559).

Almost surely, 2^22326516 is an apocalyptic number.

It is an amenable number.

22326516 is an abundant number, since it is smaller than the sum of its proper divisors (36040254).

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

22326516 is a wasteful number, since it uses less digits than its factorization.

22326516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68925 (or 68914 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 22326516 is about 4725.0942847736. The cubic root of 22326516 is about 281.5833593871.

Adding to 22326516 its reverse (61562322), we get a palindrome (83888838).

The spelling of 22326516 in words is "twenty-two million, three hundred twenty-six thousand, five hundred sixteen".