22920016 has 40 divisors (see below), whose sum is σ = 51228864. Its totient is φ = 9730560.

The previous prime is 22920013. The next prime is 22920019. The reversal of 22920016 is 61002922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22920013) and next prime (22920019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22920013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11751 + ... + 13561.

Almost surely, 2^22920016 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 22920016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25614432).

22920016 is an abundant number, since it is smaller than the sum of its proper divisors (28308848).

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

22920016 is a wasteful number, since it uses less digits than its factorization.

22920016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 22920016 is about 4787.4853524580. The cubic root of 22920016 is about 284.0566573466.

Adding to 22920016 its reverse (61002922), we get a palindrome (83922938).

The spelling of 22920016 in words is "twenty-two million, nine hundred twenty thousand, sixteen".