22230616 has 8 divisors (see below), whose sum is σ = 41682420. Its totient is φ = 11115304.

The previous prime is 22230583. The next prime is 22230619. The reversal of 22230616 is 61603222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389406 + ... + 1389421.

Almost surely, 2^22230616 is an apocalyptic number.

It is an amenable number.

22230616 is a deficient number, since it is larger than the sum of its proper divisors (19451804).

22230616 is a wasteful number, since it uses less digits than its factorization.

22230616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778833 (or 2778829 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22230616 is about 4714.9354184336. The cubic root of 22230616 is about 281.1796152432.

Adding to 22230616 its reverse (61603222), we get a palindrome (83833838).

The spelling of 22230616 in words is "twenty-two million, two hundred thirty thousand, six hundred sixteen".