2201442779 has 2 divisors, whose sum is σ = 2201442780. Its totient is φ = 2201442778.

The previous prime is 2201442767. The next prime is 2201442811. The reversal of 2201442779 is 9772441022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201442779 is a prime.

It is a super-2 number, since 2×2201442779² = 9692700618422485682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2201442739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100721389 + 1100721390.

It is an arithmetic number, because the mean of its divisors is an integer number (1100721390).

Almost surely, 2^2201442779 is an apocalyptic number.

2201442779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201442779 is an equidigital number, since it uses as much as digits as its factorization.

2201442779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 2201442779 is about 46919.5351532813. The cubic root of 2201442779 is about 1300.8756977568.

The spelling of 2201442779 in words is "two billion, two hundred one million, four hundred forty-two thousand, seven hundred seventy-nine".