538123222 has 32 divisors (see below), whose sum is σ = 994641984. Its totient is φ = 212630400.

The previous prime is 538123213. The next prime is 538123231. The reversal of 538123222 is 222321835.

It is an interprime number because it is at equal distance from previous prime (538123213) and next prime (538123231).

It is a super-2 number, since 2×538123222² = 579153204111322568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 250272 + ... + 252412.

It is an arithmetic number, because the mean of its divisors is an integer number (31082562).

Almost surely, 2^538123222 is an apocalyptic number.

538123222 is a deficient number, since it is larger than the sum of its proper divisors (456518762).

538123222 is a wasteful number, since it uses less digits than its factorization.

538123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544.

The product of its digits is 5760, while the sum is 28.

The square root of 538123222 is about 23197.4830962327. The cubic root of 538123222 is about 813.3807900659.

The spelling of 538123222 in words is "five hundred thirty-eight million, one hundred twenty-three thousand, two hundred twenty-two".