16142022 has 48 divisors (see below), whose sum is σ = 38093328. Its totient is φ = 4910400.

The previous prime is 16142017. The next prime is 16142023. The reversal of 16142022 is 22024161.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 16141986 and 16142004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23293 + ... + 23975.

It is an arithmetic number, because the mean of its divisors is an integer number (793611).

Almost surely, 2^16142022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16142022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19046664).

16142022 is an abundant number, since it is smaller than the sum of its proper divisors (21951306).

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

16142022 is a wasteful number, since it uses less digits than its factorization.

16142022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16142022 is about 4017.7135288619. The cubic root of 16142022 is about 252.7275835913.

Adding to 16142022 its reverse (22024161), we get a palindrome (38166183).

The spelling of 16142022 in words is "sixteen million, one hundred forty-two thousand, twenty-two".