223240415 has 8 divisors (see below), whose sum is σ = 279535968. Its totient is φ = 170827360.

The previous prime is 223240403. The next prime is 223240417. The reversal of 223240415 is 514042322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223240415 - 2¹² = 223236319 is a prime.

It is a super-3 number, since 3×223240415³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223240417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970496 + ... + 970725.

It is an arithmetic number, because the mean of its divisors is an integer number (34941996).

Almost surely, 2^223240415 is an apocalyptic number.

223240415 is a deficient number, since it is larger than the sum of its proper divisors (56295553).

223240415 is a wasteful number, since it uses less digits than its factorization.

223240415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941249.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 223240415 is about 14941.2320442459. The cubic root of 223240415 is about 606.6305445157.

Adding to 223240415 its reverse (514042322), we get a palindrome (737282737).

The spelling of 223240415 in words is "two hundred twenty-three million, two hundred forty thousand, four hundred fifteen".