21094622 has 8 divisors (see below), whose sum is σ = 31937976. Its totient is φ = 10448632.

The previous prime is 21094609. The next prime is 21094627. The reversal of 21094622 is 22649012.

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

It is a junction number, because it is equal to n+sod(n) for n = 21094591 and 21094600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21094627) 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, 49073 + ... + 49500.

It is an arithmetic number, because the mean of its divisors is an integer number (3992247).

Almost surely, 2^21094622 is an apocalyptic number.

21094622 is a deficient number, since it is larger than the sum of its proper divisors (10843354).

21094622 is a wasteful number, since it uses less digits than its factorization.

21094622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98682.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 21094622 is about 4592.8881980732. Note that the first 3 decimals coincide. The cubic root of 21094622 is about 276.3061697239.

The spelling of 21094622 in words is "twenty-one million, ninety-four thousand, six hundred twenty-two".