1222015441 has 4 divisors (see below), whose sum is σ = 1222207984. Its totient is φ = 1221822900.

The previous prime is 1222015439. The next prime is 1222015447. The reversal of 1222015441 is 1445102221.

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 a cyclic number.

It is not a de Polignac number, because 1222015441 - 2¹ = 1222015439 is a prime.

It is a super-3 number, since 3×1222015441³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222015447) 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, 86415 + ... + 99556.

It is an arithmetic number, because the mean of its divisors is an integer number (305551996).

Almost surely, 2^1222015441 is an apocalyptic number.

It is an amenable number.

1222015441 is a deficient number, since it is larger than the sum of its proper divisors (192543).

1222015441 is an equidigital number, since it uses as much as digits as its factorization.

1222015441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192542.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1222015441 is about 34957.3374415158. The cubic root of 1222015441 is about 1069.1178104280.

Adding to 1222015441 its reverse (1445102221), we get a palindrome (2667117662).

The spelling of 1222015441 in words is "one billion, two hundred twenty-two million, fifteen thousand, four hundred forty-one".