538226154 has 64 divisors (see below), whose sum is σ = 1307335680. Its totient is φ = 163399680.

The previous prime is 538226107. The next prime is 538226159. The reversal of 538226154 is 451622835.

538226154 is a `hidden beast` number, since 5 + 38 + 2 + 2 + 615 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538226159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19002 + ... + 37914.

It is an arithmetic number, because the mean of its divisors is an integer number (20427120).

Almost surely, 2^538226154 is an apocalyptic number.

538226154 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 538226154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653667840).

538226154 is an abundant number, since it is smaller than the sum of its proper divisors (769109526).

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

538226154 is a wasteful number, since it uses less digits than its factorization.

538226154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18972 (or 18966 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 538226154 is about 23199.7015929085. The cubic root of 538226154 is about 813.4326478130.

Adding to 538226154 its reverse (451622835), we get a palindrome (989848989).

The spelling of 538226154 in words is "five hundred thirty-eight million, two hundred twenty-six thousand, one hundred fifty-four".