285226422427049 has 2 divisors, whose sum is σ = 285226422427050. Its totient is φ = 285226422427048.

The previous prime is 285226422427021. The next prime is 285226422427061. The reversal of 285226422427049 is 940724224622582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179025256321024 + 106201166106025 = 13380032^2 + 10305395^2 .

It is a cyclic number.

It is not a de Polignac number, because 285226422427049 - 2²⁴ = 285226405649833 is a prime.

It is a super-2 number, since 2×285226422427049² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (285226422427249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142613211213524 + 142613211213525.

It is an arithmetic number, because the mean of its divisors is an integer number (142613211213525).

Almost surely, 2^{285226422427049} is an apocalyptic number.

It is an amenable number.

285226422427049 is a deficient number, since it is larger than the sum of its proper divisors (1).

285226422427049 is an equidigital number, since it uses as much as digits as its factorization.

285226422427049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 285226422427049 in words is "two hundred eighty-five trillion, two hundred twenty-six billion, four hundred twenty-two million, four hundred twenty-seven thousand, forty-nine".