2201231140 has 24 divisors (see below), whose sum is σ = 4625990712. Its totient is φ = 879843840.

The previous prime is 2201231029. The next prime is 2201231141. The reversal of 2201231140 is 411321022.

It can be written as a sum of positive squares in 4 ways, for example, as 141705216 + 2059525924 = 11904^2 + 45382^2 .

It is not an unprimeable number, because it can be changed into a prime (2201231141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12229 + ... + 67468.

It is an arithmetic number, because the mean of its divisors is an integer number (192749613).

Almost surely, 2^2201231140 is an apocalyptic number.

2201231140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201231140 is an abundant number, since it is smaller than the sum of its proper divisors (2424759572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201231140 is a wasteful number, since it uses less digits than its factorization.

2201231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81087 (or 81085 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2201231140 is about 46917.2797591676. The cubic root of 2201231140 is about 1300.8340092094.

Adding to 2201231140 its reverse (411321022), we get a palindrome (2612552162).

The spelling of 2201231140 in words is "two billion, two hundred one million, two hundred thirty-one thousand, one hundred forty".