2212047361 has 4 divisors (see below), whose sum is σ = 2342167812. Its totient is φ = 2081926912.

The previous prime is 2212047353. The next prime is 2212047371. The reversal of 2212047361 is 1637402122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2079360000 + 132687361 = 45600^2 + 11519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212047361 - 2³ = 2212047353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212047311) 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, 65060200 + ... + 65060233.

It is an arithmetic number, because the mean of its divisors is an integer number (585541953).

Almost surely, 2^2212047361 is an apocalyptic number.

It is an amenable number.

2212047361 is a deficient number, since it is larger than the sum of its proper divisors (130120451).

2212047361 is a wasteful number, since it uses less digits than its factorization.

2212047361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130120450.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2212047361 is about 47032.4075611700. The cubic root of 2212047361 is about 1302.9611711538.

Adding to 2212047361 its reverse (1637402122), we get a palindrome (3849449483).

The spelling of 2212047361 in words is "two billion, two hundred twelve million, forty-seven thousand, three hundred sixty-one".