222000156487 has 2 divisors, whose sum is σ = 222000156488. Its totient is φ = 222000156486.

The previous prime is 222000156481. The next prime is 222000156533. The reversal of 222000156487 is 784651000222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222000156487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222000156481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000078243 + 111000078244.

It is an arithmetic number, because the mean of its divisors is an integer number (111000078244).

Almost surely, 2^222000156487 is an apocalyptic number.

222000156487 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000156487 is an equidigital number, since it uses as much as digits as its factorization.

222000156487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 222000156487 in words is "two hundred twenty-two billion, one hundred fifty-six thousand, four hundred eighty-seven".