16220622 has 32 divisors (see below), whose sum is σ = 35614080. Its totient is φ = 4884320.

The previous prime is 16220621. The next prime is 16220629. The reversal of 16220622 is 22602261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220621) 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, 11128 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (1112940).

Almost surely, 2^16220622 is an apocalyptic number.

16220622 is an abundant number, since it is smaller than the sum of its proper divisors (19393458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16220622 is a wasteful number, since it uses less digits than its factorization.

16220622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 16220622 is about 4027.4833332988. The cubic root of 16220622 is about 253.1371199196.

Adding to 16220622 its reverse (22602261), we get a palindrome (38822883).

The spelling of 16220622 in words is "sixteen million, two hundred twenty thousand, six hundred twenty-two".