16244442 has 16 divisors (see below), whose sum is σ = 36098880. Its totient is φ = 5414796.

The previous prime is 16244441. The next prime is 16244461. The reversal of 16244442 is 24444261.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16244441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150358 + ... + 150465.

It is an arithmetic number, because the mean of its divisors is an integer number (2256180).

Almost surely, 2^16244442 is an apocalyptic number.

16244442 is an abundant number, since it is smaller than the sum of its proper divisors (19854438).

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

16244442 is a wasteful number, since it uses less digits than its factorization.

16244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300834 (or 300828 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 16244442 is about 4030.4394301366. The cubic root of 16244442 is about 253.2609700212.

The spelling of 16244442 in words is "sixteen million, two hundred forty-four thousand, four hundred forty-two".