2212040144 has 10 divisors (see below), whose sum is σ = 4285827810. Its totient is φ = 1106020064.

The previous prime is 2212040113. The next prime is 2212040147. The reversal of 2212040144 is 4410402122.

It can be written as a sum of positive squares in only one way, i.e., 1700737600 + 511302544 = 41240^2 + 22612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212040147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69126239 + ... + 69126270.

It is an arithmetic number, because the mean of its divisors is an integer number (428582781).

Almost surely, 2^2212040144 is an apocalyptic number.

It is an amenable number.

2212040144 is a deficient number, since it is larger than the sum of its proper divisors (2073787666).

2212040144 is a wasteful number, since it uses less digits than its factorization.

2212040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138252517 (or 138252511 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2212040144 is about 47032.3308374144. The cubic root of 2212040144 is about 1302.9597541436.

Adding to 2212040144 its reverse (4410402122), we get a palindrome (6622442266).

The spelling of 2212040144 in words is "two billion, two hundred twelve million, forty thousand, one hundred forty-four".