22261416 has 32 divisors (see below), whose sum is σ = 55900800. Its totient is φ = 7387520.

The previous prime is 22261391. The next prime is 22261417. The reversal of 22261416 is 61416222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22261417) 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, 3796 + ... + 7676.

It is an arithmetic number, because the mean of its divisors is an integer number (1746900).

Almost surely, 2^22261416 is an apocalyptic number.

It is an amenable number.

22261416 is an abundant number, since it is smaller than the sum of its proper divisors (33639384).

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

22261416 is a wasteful number, since it uses less digits than its factorization.

22261416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129 (or 4125 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 22261416 is about 4718.2005044296. The cubic root of 22261416 is about 281.3094112516.

Adding to 22261416 its reverse (61416222), we get a palindrome (83677638).

The spelling of 22261416 in words is "twenty-two million, two hundred sixty-one thousand, four hundred sixteen".