2215502197 has 2 divisors, whose sum is σ = 2215502198. Its totient is φ = 2215502196.

The previous prime is 2215502189. The next prime is 2215502221. The reversal of 2215502197 is 7912055122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2211914961 + 3587236 = 47031^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215502197 - 2³ = 2215502189 is a prime.

It is a super-4 number, since 4×2215502197⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215502797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107751098 + 1107751099.

It is an arithmetic number, because the mean of its divisors is an integer number (1107751099).

Almost surely, 2^2215502197 is an apocalyptic number.

It is an amenable number.

2215502197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215502197 is an equidigital number, since it uses as much as digits as its factorization.

2215502197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 2215502197 is about 47069.1214810729. The cubic root of 2215502197 is about 1303.6391517644.

The spelling of 2215502197 in words is "two billion, two hundred fifteen million, five hundred two thousand, one hundred ninety-seven".