2212201045 has 4 divisors (see below), whose sum is σ = 2654641260. Its totient is φ = 1769760832.

The previous prime is 2212201037. The next prime is 2212201127. The reversal of 2212201045 is 5401022122.

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 853983729 + 1358217316 = 29223^2 + 36854^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212201045 - 2³ = 2212201037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221220100 + ... + 221220109.

It is an arithmetic number, because the mean of its divisors is an integer number (663660315).

Almost surely, 2^2212201045 is an apocalyptic number.

It is an amenable number.

2212201045 is a deficient number, since it is larger than the sum of its proper divisors (442440215).

2212201045 is an equidigital number, since it uses as much as digits as its factorization.

2212201045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442440214.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2212201045 is about 47034.0413424150. The cubic root of 2212201045 is about 1302.9913452587.

Adding to 2212201045 its reverse (5401022122), we get a palindrome (7613223167).

The spelling of 2212201045 in words is "two billion, two hundred twelve million, two hundred one thousand, forty-five".