2215203451 has 2 divisors, whose sum is σ = 2215203452. Its totient is φ = 2215203450.

The previous prime is 2215203427. The next prime is 2215203467. The reversal of 2215203451 is 1543025122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2215203451 - 2¹¹ = 2215201403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215203401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107601725 + 1107601726.

It is an arithmetic number, because the mean of its divisors is an integer number (1107601726).

Almost surely, 2^2215203451 is an apocalyptic number.

2215203451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215203451 is an equidigital number, since it uses as much as digits as its factorization.

2215203451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2215203451 is about 47065.9478922926. The cubic root of 2215203451 is about 1303.5805533890.

Adding to 2215203451 its reverse (1543025122), we get a palindrome (3758228573).

The spelling of 2215203451 in words is "two billion, two hundred fifteen million, two hundred three thousand, four hundred fifty-one".