16225542 has 32 divisors (see below), whose sum is σ = 36223200. Its totient is φ = 5383584.

The previous prime is 16225523. The next prime is 16225543. The reversal of 16225542 is 24552261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13968 + ... + 15084.

It is an arithmetic number, because the mean of its divisors is an integer number (1131975).

Almost surely, 2^16225542 is an apocalyptic number.

16225542 is an abundant number, since it is smaller than the sum of its proper divisors (19997658).

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

16225542 is a wasteful number, since it uses less digits than its factorization.

16225542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1391 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 16225542 is about 4028.0940902615. The cubic root of 16225542 is about 253.1627109796.

The spelling of 16225542 in words is "sixteen million, two hundred twenty-five thousand, five hundred forty-two".