22663016 has 8 divisors (see below), whose sum is σ = 42493170. Its totient is φ = 11331504.

The previous prime is 22663009. The next prime is 22663019. The reversal of 22663016 is 61036622.

It can be written as a sum of positive squares in only one way, i.e., 22600516 + 62500 = 4754^2 + 250^2 .

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

It is a super-2 number, since 2×22663016² = 1027224588432512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22663019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416431 + ... + 1416446.

Almost surely, 2^22663016 is an apocalyptic number.

It is an amenable number.

22663016 is a deficient number, since it is larger than the sum of its proper divisors (19830154).

22663016 is a wasteful number, since it uses less digits than its factorization.

22663016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832883 (or 2832879 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22663016 is about 4760.5688735696. The cubic root of 22663016 is about 282.9909639305.

Adding to 22663016 its reverse (61036622), we get a palindrome (83699638).

The spelling of 22663016 in words is "twenty-two million, six hundred sixty-three thousand, sixteen".