21468602 has 8 divisors (see below), whose sum is σ = 32267700. Its totient is φ = 10712704.

The previous prime is 21468593. The next prime is 21468607. The reversal of 21468602 is 20686412.

It can be written as a sum of positive squares in 2 ways, for example, as 16410601 + 5058001 = 4051^2 + 2249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21468607) 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, 9527 + ... + 11562.

Almost surely, 2^21468602 is an apocalyptic number.

21468602 is a deficient number, since it is larger than the sum of its proper divisors (10799098).

21468602 is a wasteful number, since it uses less digits than its factorization.

21468602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 21468602 is about 4633.4222773237. The cubic root of 21468602 is about 277.9294629799.

The spelling of 21468602 in words is "twenty-one million, four hundred sixty-eight thousand, six hundred two".