16223629 has 2 divisors, whose sum is σ = 16223630. Its totient is φ = 16223628.

The previous prime is 16223617. The next prime is 16223651. The reversal of 16223629 is 92632261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14235529 + 1988100 = 3773^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 16223629 - 2¹¹ = 16221581 is a prime.

It is a super-2 number, since 2×16223629² = 526412275859282, which contains 22 as substring.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 16223629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16223609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111814 + 8111815.

It is an arithmetic number, because the mean of its divisors is an integer number (8111815).

Almost surely, 2^16223629 is an apocalyptic number.

It is an amenable number.

16223629 is a deficient number, since it is larger than the sum of its proper divisors (1).

16223629 is an equidigital number, since it uses as much as digits as its factorization.

16223629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 16223629 is about 4027.8566260482. The cubic root of 16223629 is about 253.1527612493.

The spelling of 16223629 in words is "sixteen million, two hundred twenty-three thousand, six hundred twenty-nine".