2212144399 has 4 divisors (see below), whose sum is σ = 2212564536. Its totient is φ = 2211724264.

The previous prime is 2212144391. The next prime is 2212144411. The reversal of 2212144399 is 9934412122.

2212144399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9934412122 = 2 ⋅4967206061.

It is a cyclic number.

It is not a de Polignac number, because 2212144399 - 2³ = 2212144391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212144391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202069 + ... + 212734.

It is an arithmetic number, because the mean of its divisors is an integer number (553141134).

Almost surely, 2^2212144399 is an apocalyptic number.

2212144399 is a deficient number, since it is larger than the sum of its proper divisors (420137).

2212144399 is an equidigital number, since it uses as much as digits as its factorization.

2212144399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420136.

The product of its digits is 31104, while the sum is 37.

The square root of 2212144399 is about 47033.4391576886. The cubic root of 2212144399 is about 1302.9802236237.

It can be divided in two parts, 2212 and 144399, that added together give a triangular number (146611 = T₅₄₁).

The spelling of 2212144399 in words is "two billion, two hundred twelve million, one hundred forty-four thousand, three hundred ninety-nine".