415223231 has 4 divisors (see below), whose sum is σ = 417517464. Its totient is φ = 412929000.

The previous prime is 415223201. The next prime is 415223309. The reversal of 415223231 is 132322514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 415223231 - 2²² = 411028927 is a prime.

It is a super-2 number, since 2×415223231² = 344820663124158722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415223197 and 415223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415223201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146845 + ... + 1147206.

It is an arithmetic number, because the mean of its divisors is an integer number (104379366).

Almost surely, 2^415223231 is an apocalyptic number.

415223231 is a deficient number, since it is larger than the sum of its proper divisors (2294233).

415223231 is a wasteful number, since it uses less digits than its factorization.

415223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294232.

The product of its digits is 1440, while the sum is 23.

The square root of 415223231 is about 20377.0270402726. The cubic root of 415223231 is about 746.0373106281.

Adding to 415223231 its reverse (132322514), we get a palindrome (547545745).

The spelling of 415223231 in words is "four hundred fifteen million, two hundred twenty-three thousand, two hundred thirty-one".