22207116 has 12 divisors (see below), whose sum is σ = 51816632. Its totient is φ = 7402368.

The previous prime is 22207079. The next prime is 22207123. The reversal of 22207116 is 61170222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 22207092 and 22207101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925285 + ... + 925308.

Almost surely, 2^22207116 is an apocalyptic number.

It is an amenable number.

22207116 is an abundant number, since it is smaller than the sum of its proper divisors (29609516).

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

22207116 is a wasteful number, since it uses less digits than its factorization.

22207116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850600 (or 1850598 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 22207116 is about 4712.4426786965. The cubic root of 22207116 is about 281.0805019202.

Adding to 22207116 its reverse (61170222), we get a palindrome (83377338).

The spelling of 22207116 in words is "twenty-two million, two hundred seven thousand, one hundred sixteen".