538422 has 16 divisors (see below), whose sum is σ = 1133760. Its totient is φ = 169992.

The previous prime is 538411. The next prime is 538423. The reversal of 538422 is 224835.

538422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 538392 and 538401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538423) by changing a digit.

538422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (70860).

2⁵³⁸⁴²² is an apocalyptic number.

538422 is an abundant number, since it is smaller than the sum of its proper divisors (595338).

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

538422 is a wasteful number, since it uses less digits than its factorization.

538422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 1920, while the sum is 24.

The square root of 538422 is about 733.7724442905. The cubic root of 538422 is about 81.3531297925.

The spelling of 538422 in words is "five hundred thirty-eight thousand, four hundred twenty-two".