16229955 has 16 divisors (see below), whose sum is σ = 29677824. Its totient is φ = 7419360.

The previous prime is 16229947. The next prime is 16229959. The reversal of 16229955 is 55992261.

It is not a de Polignac number, because 16229955 - 2³ = 16229947 is a prime.

It is a super-2 number, since 2×16229955² = 526822878604050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16229959) 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, 77181 + ... + 77390.

It is an arithmetic number, because the mean of its divisors is an integer number (1854864).

Almost surely, 2^16229955 is an apocalyptic number.

16229955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16229955 is a deficient number, since it is larger than the sum of its proper divisors (13447869).

16229955 is a wasteful number, since it uses less digits than its factorization.

16229955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154586.

The product of its digits is 48600, while the sum is 39.

The square root of 16229955 is about 4028.6418306918. The cubic root of 16229955 is about 253.1856605113.

The spelling of 16229955 in words is "sixteen million, two hundred twenty-nine thousand, nine hundred fifty-five".