22150016 has 64 divisors (see below), whose sum is σ = 51408000. Its totient is φ = 9309696.

The previous prime is 22150001. The next prime is 22150061. The reversal of 22150016 is 61005122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 22149976 and 22150003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52655 + ... + 53073.

It is an arithmetic number, because the mean of its divisors is an integer number (803250).

Almost surely, 2^22150016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22150016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25704000).

22150016 is an abundant number, since it is smaller than the sum of its proper divisors (29257984).

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

22150016 is an equidigital number, since it uses as much as digits as its factorization.

22150016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 22150016 is about 4706.3803501205. The cubic root of 22150016 is about 280.8393859305.

Adding to 22150016 its reverse (61005122), we get a palindrome (83155138).

The spelling of 22150016 in words is "twenty-two million, one hundred fifty thousand, sixteen".