75222403 has 2 divisors, whose sum is σ = 75222404. Its totient is φ = 75222402.

The previous prime is 75222401. The next prime is 75222409. The reversal of 75222403 is 30422257.

It is a weak prime.

It is an emirp because it is prime and its reverse (30422257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75222403 - 2¹ = 75222401 is a prime.

Together with 75222401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (75222401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37611201 + 37611202.

It is an arithmetic number, because the mean of its divisors is an integer number (37611202).

Almost surely, 2^75222403 is an apocalyptic number.

75222403 is a deficient number, since it is larger than the sum of its proper divisors (1).

75222403 is an equidigital number, since it uses as much as digits as its factorization.

75222403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 75222403 is about 8673.0849759471. The cubic root of 75222403 is about 422.1327700799.

It can be divided in two parts, 75222 and 403, that added together give a square (75625 = 275²).

The spelling of 75222403 in words is "seventy-five million, two hundred twenty-two thousand, four hundred three".