222421347053287 has 2 divisors, whose sum is σ = 222421347053288. Its totient is φ = 222421347053286.

The previous prime is 222421347053261. The next prime is 222421347053393. The reversal of 222421347053287 is 782350743124222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222421347053287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222421347059287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111210673526643 + 111210673526644.

It is an arithmetic number, because the mean of its divisors is an integer number (111210673526644).

Almost surely, 2^{222421347053287} is an apocalyptic number.

222421347053287 is a deficient number, since it is larger than the sum of its proper divisors (1).

222421347053287 is an equidigital number, since it uses as much as digits as its factorization.

222421347053287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 52.

The spelling of 222421347053287 in words is "two hundred twenty-two trillion, four hundred twenty-one billion, three hundred forty-seven million, fifty-three thousand, two hundred eighty-seven".