22940016 has 80 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 6645760.

The previous prime is 22940009. The next prime is 22940053. The reversal of 22940016 is 61004922.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11200 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (843696).

Almost surely, 2^22940016 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 22940016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33747840).

22940016 is an abundant number, since it is smaller than the sum of its proper divisors (44555664).

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

22940016 is a wasteful number, since it uses less digits than its factorization.

22940016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22940016 is about 4789.5736762263. The cubic root of 22940016 is about 284.1392559146.

Adding to 22940016 its reverse (61004922), we get a palindrome (83944938).

The spelling of 22940016 in words is "twenty-two million, nine hundred forty thousand, sixteen".