286226761 has 2 divisors, whose sum is σ = 286226762. Its totient is φ = 286226760.

The previous prime is 286226741. The next prime is 286226771. The reversal of 286226761 is 167622682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258727225 + 27499536 = 16085^2 + 5244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286226761 is a prime.

It is a super-2 number, since 2×286226761² = 163851517425102242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (286226741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143113380 + 143113381.

It is an arithmetic number, because the mean of its divisors is an integer number (143113381).

Almost surely, 2^286226761 is an apocalyptic number.

It is an amenable number.

286226761 is a deficient number, since it is larger than the sum of its proper divisors (1).

286226761 is an equidigital number, since it uses as much as digits as its factorization.

286226761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 286226761 is about 16918.2375264092. The cubic root of 286226761 is about 659.0273099103.

The spelling of 286226761 in words is "two hundred eighty-six million, two hundred twenty-six thousand, seven hundred sixty-one".