1222013141 has 4 divisors (see below), whose sum is σ = 1223914272. Its totient is φ = 1220112012.

The previous prime is 1222013137. The next prime is 1222013147. The reversal of 1222013141 is 1413102221.

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 1222013141 - 2² = 1222013137 is a prime.

It is a super-2 number, since 2×1222013141² = 2986632233553371762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222013147) 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, 949601 + ... + 950886.

It is an arithmetic number, because the mean of its divisors is an integer number (305978568).

Almost surely, 2^1222013141 is an apocalyptic number.

It is an amenable number.

1222013141 is a deficient number, since it is larger than the sum of its proper divisors (1901131).

1222013141 is an equidigital number, since it uses as much as digits as its factorization.

1222013141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901130.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1222013141 is about 34957.3045442580. The cubic root of 1222013141 is about 1069.1171396856.

Adding to 1222013141 its reverse (1413102221), we get a palindrome (2635115362).

The spelling of 1222013141 in words is "one billion, two hundred twenty-two million, thirteen thousand, one hundred forty-one".