21914102 has 8 divisors (see below), whose sum is σ = 37567056. Its totient is φ = 9391752.

The previous prime is 21914093. The next prime is 21914107. The reversal of 21914102 is 20141912.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21914107) 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, 782633 + ... + 782660.

It is an arithmetic number, because the mean of its divisors is an integer number (4695882).

Almost surely, 2^21914102 is an apocalyptic number.

21914102 is a deficient number, since it is larger than the sum of its proper divisors (15652954).

21914102 is a wasteful number, since it uses less digits than its factorization.

21914102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565302.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 21914102 is about 4681.2500467290. The cubic root of 21914102 is about 279.8387762329.

The spelling of 21914102 in words is "twenty-one million, nine hundred fourteen thousand, one hundred two".