22216046 has 8 divisors (see below), whose sum is σ = 33355584. Its totient is φ = 11097520.

The previous prime is 22216043. The next prime is 22216067. The reversal of 22216046 is 64061222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216043) 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, 2270 + ... + 7041.

It is an arithmetic number, because the mean of its divisors is an integer number (4169448).

Almost surely, 2^22216046 is an apocalyptic number.

22216046 is a deficient number, since it is larger than the sum of its proper divisors (11139538).

22216046 is a wasteful number, since it uses less digits than its factorization.

22216046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22216046 is about 4713.3900750946. The cubic root of 22216046 is about 281.1181732160.

Adding to 22216046 its reverse (64061222), we get a palindrome (86277268).

The spelling of 22216046 in words is "twenty-two million, two hundred sixteen thousand, forty-six".