2212661143 has 16 divisors (see below), whose sum is σ = 2762747136. Its totient is φ = 1721586240.

The previous prime is 2212661137. The next prime is 2212661147. The reversal of 2212661143 is 3411662122.

2212661143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2212661143 - 2¹³ = 2212652951 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 (2212661147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31555 + ... + 73627.

It is an arithmetic number, because the mean of its divisors is an integer number (172671696).

Almost surely, 2^2212661143 is an apocalyptic number.

2212661143 is a deficient number, since it is larger than the sum of its proper divisors (550085993).

2212661143 is a wasteful number, since it uses less digits than its factorization.

2212661143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42774.

The product of its digits is 3456, while the sum is 28.

The square root of 2212661143 is about 47038.9322051426. The cubic root of 2212661143 is about 1303.0816719127.

The spelling of 2212661143 in words is "two billion, two hundred twelve million, six hundred sixty-one thousand, one hundred forty-three".