542221416 has 96 divisors (see below), whose sum is σ = 1605895200. Its totient is φ = 163912320.

The previous prime is 542221399. The next prime is 542221423. The reversal of 542221416 is 614122245.

It is a self number, because there is not a number n which added to its sum of digits gives 542221416.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630795 + ... + 631653.

It is an arithmetic number, because the mean of its divisors is an integer number (16728075).

Almost surely, 2^542221416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542221416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802947600).

542221416 is an abundant number, since it is smaller than the sum of its proper divisors (1063673784).

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

542221416 is a wasteful number, since it uses less digits than its factorization.

542221416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1672 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 542221416 is about 23285.6482838679. The cubic root of 542221416 is about 815.4403963062.

The spelling of 542221416 in words is "five hundred forty-two million, two hundred twenty-one thousand, four hundred sixteen".