16222426 has 32 divisors (see below), whose sum is σ = 28097280. Its totient is φ = 6955200.

The previous prime is 16222421. The next prime is 16222439. The reversal of 16222426 is 62422261.

It is a self number, because there is not a number n which added to its sum of digits gives 16222426.

It is not an unprimeable number, because it can be changed into a prime (16222421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29716 + ... + 30256.

It is an arithmetic number, because the mean of its divisors is an integer number (878040).

Almost surely, 2^16222426 is an apocalyptic number.

16222426 is a deficient number, since it is larger than the sum of its proper divisors (11874854).

16222426 is a wasteful number, since it uses less digits than its factorization.

16222426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its digits is 2304, while the sum is 25.

The square root of 16222426 is about 4027.7072882721. The cubic root of 16222426 is about 253.1465039090.

Adding to 16222426 its reverse (62422261), we get a palindrome (78644687).

The spelling of 16222426 in words is "sixteen million, two hundred twenty-two thousand, four hundred twenty-six".