2202145969 has 2 divisors, whose sum is σ = 2202145970. Its totient is φ = 2202145968.

The previous prime is 2202145963. The next prime is 2202145987. The reversal of 2202145969 is 9695412022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2196328225 + 5817744 = 46865^2 + 2412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202145969 - 2⁵ = 2202145937 is a prime.

It is a super-2 number, since 2×2202145969² = 9698893737565897922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2202145963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101072984 + 1101072985.

It is an arithmetic number, because the mean of its divisors is an integer number (1101072985).

Almost surely, 2^2202145969 is an apocalyptic number.

It is an amenable number.

2202145969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202145969 is an equidigital number, since it uses as much as digits as its factorization.

2202145969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2202145969 is about 46927.0281287874. The cubic root of 2202145969 is about 1301.0141925974.

The spelling of 2202145969 in words is "two billion, two hundred two million, one hundred forty-five thousand, nine hundred sixty-nine".