22406316 has 12 divisors (see below), whose sum is σ = 52281432. Its totient is φ = 7468768.

The previous prime is 22406309. The next prime is 22406327. The reversal of 22406316 is 61360422.

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

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, 933585 + ... + 933608.

It is an arithmetic number, because the mean of its divisors is an integer number (4356786).

Almost surely, 2^22406316 is an apocalyptic number.

It is an amenable number.

22406316 is an abundant number, since it is smaller than the sum of its proper divisors (29875116).

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

22406316 is a wasteful number, since it uses less digits than its factorization.

22406316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867200 (or 1867198 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22406316 is about 4733.5310287353. The cubic root of 22406316 is about 281.9184412802.

Adding to 22406316 its reverse (61360422), we get a palindrome (83766738).

It can be divided in two parts, 22406 and 316, that added together give a palindrome (22722).

The spelling of 22406316 in words is "twenty-two million, four hundred six thousand, three hundred sixteen".