538222215 has 64 divisors (see below), whose sum is σ = 934940160. Its totient is φ = 263554560.

The previous prime is 538222213. The next prime is 538222231. The reversal of 538222215 is 512222835.

It is not a de Polignac number, because 538222215 - 2¹ = 538222213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538222213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1442769 + ... + 1443141.

It is an arithmetic number, because the mean of its divisors is an integer number (14608440).

Almost surely, 2^538222215 is an apocalyptic number.

538222215 is a deficient number, since it is larger than the sum of its proper divisors (396717945).

538222215 is a wasteful number, since it uses less digits than its factorization.

538222215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 9600, while the sum is 30.

The square root of 538222215 is about 23199.6166994198. The cubic root of 538222215 is about 813.4306634433.

The spelling of 538222215 in words is "five hundred thirty-eight million, two hundred twenty-two thousand, two hundred fifteen".