1222401141 has 24 divisors (see below), whose sum is σ = 1904043960. Its totient is φ = 751245696.

The previous prime is 1222401137. The next prime is 1222401151. The reversal of 1222401141 is 1411042221.

1222401141 is a `hidden beast` number, since 1 + 222 + 401 + 1 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20738916 + 1201662225 = 4554^2 + 34665^2 .

It is not a de Polignac number, because 1222401141 - 2² = 1222401137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222401151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86695 + ... + 99803.

It is an arithmetic number, because the mean of its divisors is an integer number (79335165).

Almost surely, 2^1222401141 is an apocalyptic number.

It is an amenable number.

1222401141 is a deficient number, since it is larger than the sum of its proper divisors (681642819).

1222401141 is a wasteful number, since it uses less digits than its factorization.

1222401141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925 (or 13922 counting only the distinct ones).

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

The square root of 1222401141 is about 34962.8537307812. The cubic root of 1222401141 is about 1069.2302791005.

Adding to 1222401141 its reverse (1411042221), we get a palindrome (2633443362).

The spelling of 1222401141 in words is "one billion, two hundred twenty-two million, four hundred one thousand, one hundred forty-one".