222015441 has 4 divisors (see below), whose sum is σ = 296020592. Its totient is φ = 148010292.

The previous prime is 222015433. The next prime is 222015449. The reversal of 222015441 is 144510222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (222015433) and next prime (222015449).

It is not a de Polignac number, because 222015441 - 2³ = 222015433 is a prime.

It is a super-3 number, since 3×222015441³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222015449) 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, 37002571 + ... + 37002576.

It is an arithmetic number, because the mean of its divisors is an integer number (74005148).

Almost surely, 2^222015441 is an apocalyptic number.

It is an amenable number.

222015441 is a deficient number, since it is larger than the sum of its proper divisors (74005151).

222015441 is an equidigital number, since it uses as much as digits as its factorization.

222015441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74005150.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 222015441 is about 14900.1825827739. The cubic root of 222015441 is about 605.5189327657.

Adding to 222015441 its reverse (144510222), we get a palindrome (366525663).

The spelling of 222015441 in words is "two hundred twenty-two million, fifteen thousand, four hundred forty-one".