1222140041 has 4 divisors (see below), whose sum is σ = 1222229712. Its totient is φ = 1222050372.

The previous prime is 1222140037. The next prime is 1222140053. The reversal of 1222140041 is 1400412221.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1400412221 = 13 ⋅107724017.

It is a cyclic number.

It is not a de Polignac number, because 1222140041 - 2² = 1222140037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222140061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19691 + ... + 53216.

It is an arithmetic number, because the mean of its divisors is an integer number (305557428).

Almost surely, 2^1222140041 is an apocalyptic number.

It is an amenable number.

1222140041 is a deficient number, since it is larger than the sum of its proper divisors (89671).

1222140041 is an equidigital number, since it uses as much as digits as its factorization.

1222140041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89670.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1222140041 is about 34959.1195684331. The cubic root of 1222140041 is about 1069.1541459077.

Adding to 1222140041 its reverse (1400412221), we get a palindrome (2622552262).

The spelling of 1222140041 in words is "one billion, two hundred twenty-two million, one hundred forty thousand, forty-one".