2212355501 has 2 divisors, whose sum is σ = 2212355502. Its totient is φ = 2212355500.

The previous prime is 2212355491. The next prime is 2212355543. The reversal of 2212355501 is 1055532122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1791490276 + 420865225 = 42326^2 + 20515^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212355501 - 2¹⁸ = 2212093357 is a prime.

It is a super-2 number, since 2×2212355501² = 9789033725609922002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212355581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106177750 + 1106177751.

It is an arithmetic number, because the mean of its divisors is an integer number (1106177751).

Almost surely, 2^2212355501 is an apocalyptic number.

It is an amenable number.

2212355501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212355501 is an equidigital number, since it uses as much as digits as its factorization.

2212355501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2212355501 is about 47035.6832734468. The cubic root of 2212355501 is about 1303.0216695291.

Adding to 2212355501 its reverse (1055532122), we get a palindrome (3267887623).

The spelling of 2212355501 in words is "two billion, two hundred twelve million, three hundred fifty-five thousand, five hundred one".