222987503 has 2 divisors, whose sum is σ = 222987504. Its totient is φ = 222987502.

The previous prime is 222987473. The next prime is 222987511. The reversal of 222987503 is 305789222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222987503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222987563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111493751 + 111493752.

It is an arithmetic number, because the mean of its divisors is an integer number (111493752).

Almost surely, 2^222987503 is an apocalyptic number.

222987503 is a deficient number, since it is larger than the sum of its proper divisors (1).

222987503 is an equidigital number, since it uses as much as digits as its factorization.

222987503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 222987503 is about 14932.7660866967. The cubic root of 222987503 is about 606.4013713773.

The spelling of 222987503 in words is "two hundred twenty-two million, nine hundred eighty-seven thousand, five hundred three".