2221759069 has 2 divisors, whose sum is σ = 2221759070. Its totient is φ = 2221759068.

The previous prime is 2221759063. The next prime is 2221759073. The reversal of 2221759069 is 9609571222.

2221759069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007488025 + 214271044 = 44805^2 + 14638^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221759069 - 2²³ = 2213370461 is a prime.

It is a super-2 number, since 2×2221759069² = 9872426721367493522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221759063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110879534 + 1110879535.

It is an arithmetic number, because the mean of its divisors is an integer number (1110879535).

Almost surely, 2^2221759069 is an apocalyptic number.

It is an amenable number.

2221759069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221759069 is an equidigital number, since it uses as much as digits as its factorization.

2221759069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 2221759069 is about 47135.5393413505. The cubic root of 2221759069 is about 1304.8652149124.

The spelling of 2221759069 in words is "two billion, two hundred twenty-one million, seven hundred fifty-nine thousand, sixty-nine".