1222140141 has 6 divisors (see below), whose sum is σ = 1765313550. Its totient is φ = 814760088.

The previous prime is 1222140103. The next prime is 1222140163. The reversal of 1222140141 is 1410412221.

1222140141 is a `hidden beast` number, since 1 + 2 + 221 + 401 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 960380100 + 261760041 = 30990^2 + 16179^2 .

It is not a de Polignac number, because 1222140141 - 2⁶ = 1222140077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222147141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67896666 + ... + 67896683.

It is an arithmetic number, because the mean of its divisors is an integer number (294218925).

Almost surely, 2^1222140141 is an apocalyptic number.

It is an amenable number.

1222140141 is a deficient number, since it is larger than the sum of its proper divisors (543173409).

1222140141 is a wasteful number, since it uses less digits than its factorization.

1222140141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135793355 (or 135793352 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1222140141 is about 34959.1209986750. The cubic root of 1222140141 is about 1069.1541750684.

Adding to 1222140141 its reverse (1410412221), we get a palindrome (2632552362).

The spelling of 1222140141 in words is "one billion, two hundred twenty-two million, one hundred forty thousand, one hundred forty-one".