1222454141 has 4 divisors (see below), whose sum is σ = 1231785984. Its totient is φ = 1213122300.

The previous prime is 1222454089. The next prime is 1222454143. The reversal of 1222454141 is 1414542221.

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 1222454141 - 2¹⁴ = 1222437757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222454141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222454143) 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, 4665725 + ... + 4665986.

It is an arithmetic number, because the mean of its divisors is an integer number (307946496).

Almost surely, 2^1222454141 is an apocalyptic number.

It is an amenable number.

1222454141 is a deficient number, since it is larger than the sum of its proper divisors (9331843).

1222454141 is an equidigital number, since it uses as much as digits as its factorization.

1222454141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331842.

The product of its digits is 2560, while the sum is 26.

The square root of 1222454141 is about 34963.6116698490. The cubic root of 1222454141 is about 1069.2457318527.

Adding to 1222454141 its reverse (1414542221), we get a palindrome (2636996362).

The spelling of 1222454141 in words is "one billion, two hundred twenty-two million, four hundred fifty-four thousand, one hundred forty-one".