21895114 has 8 divisors (see below), whose sum is σ = 33902208. Its totient is φ = 10594380.

The previous prime is 21895073. The next prime is 21895121. The reversal of 21895114 is 41159812.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176512 + ... + 176635.

It is an arithmetic number, because the mean of its divisors is an integer number (4237776).

Almost surely, 2^21895114 is an apocalyptic number.

21895114 is a deficient number, since it is larger than the sum of its proper divisors (12007094).

21895114 is a wasteful number, since it uses less digits than its factorization.

21895114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353180.

The product of its digits is 2880, while the sum is 31.

The square root of 21895114 is about 4679.2215164491. The cubic root of 21895114 is about 279.7579285347.

The spelling of 21895114 in words is "twenty-one million, eight hundred ninety-five thousand, one hundred fourteen".