16021622 has 8 divisors (see below), whose sum is σ = 24056472. Its totient is φ = 8002800.

The previous prime is 16021613. The next prime is 16021651. The reversal of 16021622 is 22612061.

It is a happy number.

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 = 16021594 and 16021603.

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, 1079 + ... + 5762.

It is an arithmetic number, because the mean of its divisors is an integer number (3007059).

Almost surely, 2^16021622 is an apocalyptic number.

16021622 is a deficient number, since it is larger than the sum of its proper divisors (8034850).

16021622 is a wasteful number, since it uses less digits than its factorization.

16021622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16021622 is about 4002.7018375093. The cubic root of 16021622 is about 252.0976672738.

Adding to 16021622 its reverse (22612061), we get a palindrome (38633683).

The spelling of 16021622 in words is "sixteen million, twenty-one thousand, six hundred twenty-two".