22409016 has 32 divisors (see below), whose sum is σ = 64026240. Its totient is φ = 6402528.

The previous prime is 22409003. The next prime is 22409017. The reversal of 22409016 is 61090422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22409017) 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, 66526 + ... + 66861.

It is an arithmetic number, because the mean of its divisors is an integer number (2000820).

Almost surely, 2^22409016 is an apocalyptic number.

It is an amenable number.

22409016 is an abundant number, since it is smaller than the sum of its proper divisors (41617224).

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

22409016 is a wasteful number, since it uses less digits than its factorization.

22409016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133403 (or 133399 counting only the distinct ones).

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

The square root of 22409016 is about 4733.8162194999. The cubic root of 22409016 is about 281.9297647127.

Adding to 22409016 its reverse (61090422), we get a palindrome (83499438).

The spelling of 22409016 in words is "twenty-two million, four hundred nine thousand, sixteen".