16220633 has 16 divisors (see below), whose sum is σ = 19352256. Its totient is φ = 13400640.

The previous prime is 16220629. The next prime is 16220639. The reversal of 16220633 is 33602261.

It is not a de Polignac number, because 16220633 - 2² = 16220629 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 16220599 and 16220608.

It is not an unprimeable number, because it can be changed into a prime (16220639) 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, 8735 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (1209516).

Almost surely, 2^16220633 is an apocalyptic number.

16220633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16220633 is a deficient number, since it is larger than the sum of its proper divisors (3131623).

16220633 is a wasteful number, since it uses less digits than its factorization.

16220633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 16220633 is about 4027.4846989157. The cubic root of 16220633 is about 253.1371771412.

Adding to 16220633 its reverse (33602261), we get a palindrome (49822894).

The spelling of 16220633 in words is "sixteen million, two hundred twenty thousand, six hundred thirty-three".