538550226 has 24 divisors (see below), whose sum is σ = 1167414924. Its totient is φ = 179431200.

The previous prime is 538550183. The next prime is 538550237. The reversal of 538550226 is 622055835.

It is a happy number.

538550226 is a `hidden beast` number, since 5 + 385 + 50 + 226 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 531533025 + 7017201 = 23055^2 + 2649^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40176 + ... + 51876.

Almost surely, 2^538550226 is an apocalyptic number.

538550226 is an abundant number, since it is smaller than the sum of its proper divisors (628864698).

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

538550226 is a wasteful number, since it uses less digits than its factorization.

538550226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266 (or 14263 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 538550226 is about 23206.6849420593. The cubic root of 538550226 is about 813.5958740288.

It can be divided in two parts, 5385 and 50226, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 538550226 in words is "five hundred thirty-eight million, five hundred fifty thousand, two hundred twenty-six".