222348487 has 2 divisors, whose sum is σ = 222348488. Its totient is φ = 222348486.

The previous prime is 222348473. The next prime is 222348547. The reversal of 222348487 is 784843222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222348487 - 2⁷ = 222348359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222348407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111174243 + 111174244.

It is an arithmetic number, because the mean of its divisors is an integer number (111174244).

Almost surely, 2^222348487 is an apocalyptic number.

222348487 is a deficient number, since it is larger than the sum of its proper divisors (1).

222348487 is an equidigital number, since it uses as much as digits as its factorization.

222348487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172032, while the sum is 40.

The square root of 222348487 is about 14911.3542979838. The cubic root of 222348487 is about 605.8215617207.

The spelling of 222348487 in words is "two hundred twenty-two million, three hundred forty-eight thousand, four hundred eighty-seven".