16949822 has 4 divisors (see below), whose sum is σ = 25424736. Its totient is φ = 8474910.

The previous prime is 16949813. The next prime is 16949831. The reversal of 16949822 is 22894961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22894961 = 3727 ⋅6143.

It is an interprime number because it is at equal distance from previous prime (16949813) and next prime (16949831).

It is a self number, because there is not a number n which added to its sum of digits gives 16949822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4237454 + ... + 4237457.

It is an arithmetic number, because the mean of its divisors is an integer number (6356184).

Almost surely, 2^16949822 is an apocalyptic number.

16949822 is a deficient number, since it is larger than the sum of its proper divisors (8474914).

16949822 is an equidigital number, since it uses as much as digits as its factorization.

16949822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474913.

The product of its digits is 62208, while the sum is 41.

The square root of 16949822 is about 4117.0161525066. The cubic root of 16949822 is about 256.8749258924.

It can be divided in two parts, 16949 and 822, that added together give a palindrome (17771).

The spelling of 16949822 in words is "sixteen million, nine hundred forty-nine thousand, eight hundred twenty-two".