21884062 has 4 divisors (see below), whose sum is σ = 32826096. Its totient is φ = 10942030.

The previous prime is 21884041. The next prime is 21884081. The reversal of 21884062 is 26048812.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5471014 + ... + 5471017.

It is an arithmetic number, because the mean of its divisors is an integer number (8206524).

Almost surely, 2^21884062 is an apocalyptic number.

21884062 is a deficient number, since it is larger than the sum of its proper divisors (10942034).

21884062 is a wasteful number, since it uses less digits than its factorization.

21884062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942033.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 21884062 is about 4678.0404017067. The cubic root of 21884062 is about 279.7108494618.

The spelling of 21884062 in words is "twenty-one million, eight hundred eighty-four thousand, sixty-two".