22445016 has 96 divisors (see below), whose sum is σ = 63201600. Its totient is φ = 6635200.

The previous prime is 22444993. The next prime is 22445021. The reversal of 22445016 is 61054422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171271 + ... + 171401.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^22445016 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 22445016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31600800).

22445016 is an abundant number, since it is smaller than the sum of its proper divisors (40756584).

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

22445016 is a wasteful number, since it uses less digits than its factorization.

22445016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22445016 is about 4737.6171225628. The cubic root of 22445016 is about 282.0806569748.

Adding to 22445016 its reverse (61054422), we get a palindrome (83499438).

It can be divided in two parts, 2244 and 5016, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 22445016 in words is "twenty-two million, four hundred forty-five thousand, sixteen".