542507922 has 64 divisors (see below), whose sum is σ = 1318446720. Its totient is φ = 163987200.

The previous prime is 542507921. The next prime is 542507993. The reversal of 542507922 is 229705245.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (542507921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308598 + ... + 310350.

It is an arithmetic number, because the mean of its divisors is an integer number (20600730).

Almost surely, 2^542507922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542507922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659223360).

542507922 is an abundant number, since it is smaller than the sum of its proper divisors (775938798).

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

542507922 is a wasteful number, since it uses less digits than its factorization.

542507922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 542507922 is about 23291.7994581784. The cubic root of 542507922 is about 815.5839953491.

The spelling of 542507922 in words is "five hundred forty-two million, five hundred seven thousand, nine hundred twenty-two".