1222422141 has 4 divisors (see below), whose sum is σ = 1629896192. Its totient is φ = 814948092.

The previous prime is 1222422137. The next prime is 1222422199. The reversal of 1222422141 is 1412242221.

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 not a de Polignac number, because 1222422141 - 2² = 1222422137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222422541) 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, 203737021 + ... + 203737026.

It is an arithmetic number, because the mean of its divisors is an integer number (407474048).

Almost surely, 2^1222422141 is an apocalyptic number.

It is an amenable number.

1222422141 is a deficient number, since it is larger than the sum of its proper divisors (407474051).

1222422141 is an equidigital number, since it uses as much as digits as its factorization.

1222422141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407474050.

The product of its digits is 512, while the sum is 21.

The square root of 1222422141 is about 34963.1540482263. The cubic root of 1222422141 is about 1069.2364019425.

Adding to 1222422141 its reverse (1412242221), we get a palindrome (2634664362).

The spelling of 1222422141 in words is "one billion, two hundred twenty-two million, four hundred twenty-two thousand, one hundred forty-one".