2245520197 has 2 divisors, whose sum is σ = 2245520198. Its totient is φ = 2245520196.

The previous prime is 2245520171. The next prime is 2245520261. The reversal of 2245520197 is 7910255422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1636121601 + 609398596 = 40449^2 + 24686^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245520197 - 2²⁷ = 2111302469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245526197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122760098 + 1122760099.

It is an arithmetic number, because the mean of its divisors is an integer number (1122760099).

Almost surely, 2^2245520197 is an apocalyptic number.

It is an amenable number.

2245520197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245520197 is an equidigital number, since it uses as much as digits as its factorization.

2245520197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2245520197 is about 47386.9201046027. The cubic root of 2245520197 is about 1309.5004596528.

The spelling of 2245520197 in words is "two billion, two hundred forty-five million, five hundred twenty thousand, one hundred ninety-seven".