21468022 has 8 divisors (see below), whose sum is σ = 32234400. Its totient is φ = 10723224.

The previous prime is 21468011. The next prime is 21468047. The reversal of 21468022 is 22086412.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2622 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (4029300).

Almost surely, 2^21468022 is an apocalyptic number.

21468022 is a deficient number, since it is larger than the sum of its proper divisors (10766378).

21468022 is a wasteful number, since it uses less digits than its factorization.

21468022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 21468022 is about 4633.3596881744. The cubic root of 21468022 is about 277.9269600915.

The spelling of 21468022 in words is "twenty-one million, four hundred sixty-eight thousand, twenty-two".