16220632 has 32 divisors (see below), whose sum is σ = 31672080. Its totient is φ = 7781760.

The previous prime is 16220629. The next prime is 16220639. The reversal of 16220632 is 23602261.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20598 + ... + 21370.

Almost surely, 2^16220632 is an apocalyptic number.

It is an amenable number.

16220632 is a deficient number, since it is larger than the sum of its proper divisors (15451448).

16220632 is a wasteful number, since it uses less digits than its factorization.

16220632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16220632 is about 4027.4845747687. The cubic root of 16220632 is about 253.1371719392.

Adding to 16220632 its reverse (23602261), we get a palindrome (39822893).

The spelling of 16220632 in words is "sixteen million, two hundred twenty thousand, six hundred thirty-two".