538149222 has 24 divisors (see below), whose sum is σ = 1255682064. Its totient is φ = 165584304.

The previous prime is 538149221. The next prime is 538149247. The reversal of 538149222 is 222941835.

It is a happy number.

538149222 is a `hidden beast` number, since 538 + 14 + 92 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538149221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1149658 + ... + 1150125.

It is an arithmetic number, because the mean of its divisors is an integer number (52320086).

Almost surely, 2^538149222 is an apocalyptic number.

538149222 is an abundant number, since it is smaller than the sum of its proper divisors (717532842).

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

538149222 is a wasteful number, since it uses less digits than its factorization.

538149222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299804 (or 2299801 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 538149222 is about 23198.0434950881. The cubic root of 538149222 is about 813.3938896430.

It can be divided in two parts, 53814 and 9222, that added together give a palindrome (63036).

The spelling of 538149222 in words is "five hundred thirty-eight million, one hundred forty-nine thousand, two hundred twenty-two".