22412516 has 12 divisors (see below), whose sum is σ = 44825088. Its totient is φ = 9605352.

The previous prime is 22412501. The next prime is 22412519. The reversal of 22412516 is 61521422.

It is a happy number.

22412516 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22412491 and 22412500.

It is not an unprimeable number, because it can be changed into a prime (22412519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400196 + ... + 400251.

It is an arithmetic number, because the mean of its divisors is an integer number (3735424).

Almost surely, 2^22412516 is an apocalyptic number.

It is an amenable number.

22412516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22412516 is a wasteful number, since it uses less digits than its factorization.

22412516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800458 (or 800456 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 22412516 is about 4734.1858856619. The cubic root of 22412516 is about 281.9444418826.

Adding to 22412516 its reverse (61521422), we get a palindrome (83933938).

The spelling of 22412516 in words is "twenty-two million, four hundred twelve thousand, five hundred sixteen".