22663460 has 12 divisors (see below), whose sum is σ = 47593308. Its totient is φ = 9065376.

The previous prime is 22663457. The next prime is 22663463. The reversal of 22663460 is 6436622.

It is an interprime number because it is at equal distance from previous prime (22663457) and next prime (22663463).

It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 5837056 = 4102^2 + 2416^2 .

It is not an unprimeable number, because it can be changed into a prime (22663463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566567 + ... + 566606.

It is an arithmetic number, because the mean of its divisors is an integer number (3966109).

Almost surely, 2^22663460 is an apocalyptic number.

22663460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22663460 is an abundant number, since it is smaller than the sum of its proper divisors (24929848).

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

22663460 is a wasteful number, since it uses less digits than its factorization.

22663460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133182 (or 1133180 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 22663460 is about 4760.6155064235. The cubic root of 22663460 is about 282.9928119806.

The spelling of 22663460 in words is "twenty-two million, six hundred sixty-three thousand, four hundred sixty".