2261827 has 2 divisors, whose sum is σ = 2261828. Its totient is φ = 2261826.

The previous prime is 2261807. The next prime is 2261837. The reversal of 2261827 is 7281622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2261827 is a prime.

It is a super-2 number, since 2×2261827² = 10231722755858, which contains 22 as substring.

2261827 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2261795 and 2261804.

It is not a weakly prime, because it can be changed into another prime (2261807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130913 + 1130914.

It is an arithmetic number, because the mean of its divisors is an integer number (1130914).

2^2261827 is an apocalyptic number.

2261827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261827 is an equidigital number, since it uses as much as digits as its factorization.

2261827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 2261827 is about 1503.9371662407. The cubic root of 2261827 is about 131.2662649533.

The spelling of 2261827 in words is "two million, two hundred sixty-one thousand, eight hundred twenty-seven".