2243020077 has 6 divisors (see below), whose sum is σ = 3239917902. Its totient is φ = 1495346712.

The previous prime is 2243020063. The next prime is 2243020111. The reversal of 2243020077 is 7700203422.

2243020077 is a `hidden beast` number, since 22 + 430 + 200 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1430428041 + 812592036 = 37821^2 + 28506^2 .

It is not a de Polignac number, because 2243020077 - 2¹⁵ = 2242987309 is a prime.

It is a super-2 number, since 2×2243020077² = 10062278131650171858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2243020077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243060077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124612218 + ... + 124612235.

It is an arithmetic number, because the mean of its divisors is an integer number (539986317).

Almost surely, 2^2243020077 is an apocalyptic number.

It is an amenable number.

2243020077 is a deficient number, since it is larger than the sum of its proper divisors (996897825).

2243020077 is a wasteful number, since it uses less digits than its factorization.

2243020077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249224459 (or 249224456 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 2243020077 is about 47360.5329045187. The cubic root of 2243020077 is about 1309.0142881067.

Adding to 2243020077 its reverse (7700203422), we get a palindrome (9943223499).

The spelling of 2243020077 in words is "two billion, two hundred forty-three million, twenty thousand, seventy-seven".