16444122 has 16 divisors (see below), whose sum is σ = 32941920. Its totient is φ = 5472432.

The previous prime is 16444121. The next prime is 16444123. The reversal of 16444122 is 22144461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16444121) and next prime (16444123).

It is a super-3 number, since 3×16444122³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16444092 and 16444101.

It is not an unprimeable number, because it can be changed into a prime (16444121) 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, 2529 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (2058870).

Almost surely, 2^16444122 is an apocalyptic number.

16444122 is an abundant number, since it is smaller than the sum of its proper divisors (16497798).

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

16444122 is a wasteful number, since it uses less digits than its factorization.

16444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its digits is 1536, while the sum is 24.

The square root of 16444122 is about 4055.1352628488. The cubic root of 16444122 is about 254.2944587623.

Adding to 16444122 its reverse (22144461), we get a palindrome (38588583).

The spelling of 16444122 in words is "sixteen million, four hundred forty-four thousand, one hundred twenty-two".