21302348 has 6 divisors (see below), whose sum is σ = 37279116. Its totient is φ = 10651172.

The previous prime is 21302321. The next prime is 21302371. The reversal of 21302348 is 84320312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2662790 + ... + 2662797.

It is an arithmetic number, because the mean of its divisors is an integer number (6213186).

Almost surely, 2^21302348 is an apocalyptic number.

It is an amenable number.

21302348 is a deficient number, since it is larger than the sum of its proper divisors (15976768).

21302348 is a wasteful number, since it uses less digits than its factorization.

21302348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325591 (or 5325589 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 21302348 is about 4615.4466739418. The cubic root of 21302348 is about 277.2101694902.

The spelling of 21302348 in words is "twenty-one million, three hundred two thousand, three hundred forty-eight".