16490222 has 8 divisors (see below), whose sum is σ = 28268976. Its totient is φ = 7067232.

The previous prime is 16490219. The next prime is 16490239. The reversal of 16490222 is 22209461.

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 = 16490191 and 16490200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588923 + ... + 588950.

It is an arithmetic number, because the mean of its divisors is an integer number (3533622).

Almost surely, 2^16490222 is an apocalyptic number.

16490222 is a deficient number, since it is larger than the sum of its proper divisors (11778754).

16490222 is a wasteful number, since it uses less digits than its factorization.

16490222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177882.

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

The square root of 16490222 is about 4060.8154353529. The cubic root of 16490222 is about 254.5318695672.

Adding to 16490222 its reverse (22209461), we get a palindrome (38699683).

The spelling of 16490222 in words is "sixteen million, four hundred ninety thousand, two hundred twenty-two".