403122221287 has 2 divisors, whose sum is σ = 403122221288. Its totient is φ = 403122221286.

The previous prime is 403122221273. The next prime is 403122221309. The reversal of 403122221287 is 782122221304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403122221287 - 2¹¹ = 403122219239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403122221267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201561110643 + 201561110644.

It is an arithmetic number, because the mean of its divisors is an integer number (201561110644).

Almost surely, 2^403122221287 is an apocalyptic number.

403122221287 is a deficient number, since it is larger than the sum of its proper divisors (1).

403122221287 is an equidigital number, since it uses as much as digits as its factorization.

403122221287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 403122221287 in words is "four hundred three billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred eighty-seven".