2009770223 has 2 divisors, whose sum is σ = 2009770224. Its totient is φ = 2009770222.

The previous prime is 2009770219. The next prime is 2009770261. The reversal of 2009770223 is 3220779002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009770223 - 2² = 2009770219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2009770223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009770723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004885111 + 1004885112.

It is an arithmetic number, because the mean of its divisors is an integer number (1004885112).

Almost surely, 2^2009770223 is an apocalyptic number.

2009770223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009770223 is an equidigital number, since it uses as much as digits as its factorization.

2009770223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 2009770223 is about 44830.4608831986. The cubic root of 2009770223 is about 1261.9693364075.

The spelling of 2009770223 in words is "two billion, nine million, seven hundred seventy thousand, two hundred twenty-three".