230222511 has 12 divisors (see below), whose sum is σ = 336754080. Its totient is φ = 151538400.

The previous prime is 230222507. The next prime is 230222533. The reversal of 230222511 is 115222032.

It is not a de Polignac number, because 230222511 - 2² = 230222507 is a prime.

It is a super-2 number, since 2×230222511² = 106004809142290242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230222581) 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, 161190 + ... + 162611.

It is an arithmetic number, because the mean of its divisors is an integer number (28062840).

Almost surely, 2^230222511 is an apocalyptic number.

230222511 is a deficient number, since it is larger than the sum of its proper divisors (106531569).

230222511 is a wasteful number, since it uses less digits than its factorization.

230222511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323886 (or 323883 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 230222511 is about 15173.0850851104. The cubic root of 230222511 is about 612.8900847628.

Adding to 230222511 its reverse (115222032), we get a palindrome (345444543).

The spelling of 230222511 in words is "two hundred thirty million, two hundred twenty-two thousand, five hundred eleven".