16229555 has 16 divisors (see below), whose sum is σ = 19921440. Its totient is φ = 12690432.

The previous prime is 16229519. The next prime is 16229557. The reversal of 16229555 is 55592261.

It is a cyclic number.

It is not a de Polignac number, because 16229555 - 2¹⁸ = 15967411 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16229557) 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, 52712 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (1245090).

Almost surely, 2^16229555 is an apocalyptic number.

16229555 is a deficient number, since it is larger than the sum of its proper divisors (3691885).

16229555 is a wasteful number, since it uses less digits than its factorization.

16229555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its digits is 27000, while the sum is 35.

The square root of 16229555 is about 4028.5921858634. The cubic root of 16229555 is about 253.1835805077.

The spelling of 16229555 in words is "sixteen million, two hundred twenty-nine thousand, five hundred fifty-five".