2212202144 has 12 divisors (see below), whose sum is σ = 4355273034. Its totient is φ = 1106101056.

The previous prime is 2212202143. The next prime is 2212202159. The reversal of 2212202144 is 4412022122.

It can be written as a sum of positive squares in only one way, i.e., 1444912144 + 767290000 = 38012^2 + 27700^2 .

It is not an unprimeable number, because it can be changed into a prime (2212202143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34565627 + ... + 34565690.

Almost surely, 2^2212202144 is an apocalyptic number.

It is an amenable number.

2212202144 is a deficient number, since it is larger than the sum of its proper divisors (2143070890).

2212202144 is an equidigital number, since it uses as much as digits as its factorization.

2212202144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69131327 (or 69131319 counting only the distinct ones).

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

The square root of 2212202144 is about 47034.0530254410. The cubic root of 2212202144 is about 1302.9915610299.

Adding to 2212202144 its reverse (4412022122), we get a palindrome (6624224266).

The spelling of 2212202144 in words is "two billion, two hundred twelve million, two hundred two thousand, one hundred forty-four".