21950614 has 8 divisors (see below), whose sum is σ = 37629648. Its totient is φ = 9407400.

The previous prime is 21950603. The next prime is 21950623. The reversal of 21950614 is 41605912.

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 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, 783937 + ... + 783964.

It is an arithmetic number, because the mean of its divisors is an integer number (4703706).

Almost surely, 2^21950614 is an apocalyptic number.

21950614 is a deficient number, since it is larger than the sum of its proper divisors (15679034).

21950614 is a wasteful number, since it uses less digits than its factorization.

21950614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567910.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 21950614 is about 4685.1482367157. The cubic root of 21950614 is about 279.9941070188.

The spelling of 21950614 in words is "twenty-one million, nine hundred fifty thousand, six hundred fourteen".