541666422 has 96 divisors (see below), whose sum is σ = 1348379136. Its totient is φ = 156845040.

The previous prime is 541666417. The next prime is 541666429. The reversal of 541666422 is 224666145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541666429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550543 + ... + 551525.

It is an arithmetic number, because the mean of its divisors is an integer number (14045616).

Almost surely, 2^541666422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541666422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674189568).

541666422 is an abundant number, since it is smaller than the sum of its proper divisors (806712714).

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

541666422 is a wasteful number, since it uses less digits than its factorization.

541666422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1022 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 541666422 is about 23273.7281499978. The cubic root of 541666422 is about 815.1620850173.

The spelling of 541666422 in words is "five hundred forty-one million, six hundred sixty-six thousand, four hundred twenty-two".