22016494 has 8 divisors (see below), whose sum is σ = 33049080. Its totient is φ = 11000136.

The previous prime is 22016471. The next prime is 22016507. The reversal of 22016494 is 49461022.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (4131135).

Almost surely, 2^22016494 is an apocalyptic number.

22016494 is a deficient number, since it is larger than the sum of its proper divisors (11032586).

22016494 is a wasteful number, since it uses less digits than its factorization.

22016494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22016494 is about 4692.1736966996. The cubic root of 22016494 is about 280.2739410830.

The spelling of 22016494 in words is "twenty-two million, sixteen thousand, four hundred ninety-four".