16229412 has 18 divisors (see below), whose sum is σ = 41024438. Its totient is φ = 5409792.

The previous prime is 16229383. The next prime is 16229413. The reversal of 16229412 is 21492261.

16229412 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16208676 + 20736 = 4026^2 + 144^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16229413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225373 + ... + 225444.

Almost surely, 2^16229412 is an apocalyptic number.

16229412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16229412 is an abundant number, since it is smaller than the sum of its proper divisors (24795026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16229412 is a wasteful number, since it uses less digits than its factorization.

16229412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450827 (or 450822 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 16229412 is about 4028.5744376888. The cubic root of 16229412 is about 253.1828368981.

It can be divided in two parts, 16229 and 412, that added together give a square (16641 = 129²).

The spelling of 16229412 in words is "sixteen million, two hundred twenty-nine thousand, four hundred twelve".