90220703 has 2 divisors, whose sum is σ = 90220704. Its totient is φ = 90220702.

The previous prime is 90220699. The next prime is 90220709. The reversal of 90220703 is 30702209.

It is a weak prime.

It is an emirp because it is prime and its reverse (30702209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90220703 - 2² = 90220699 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90220709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45110351 + 45110352.

It is an arithmetic number, because the mean of its divisors is an integer number (45110352).

Almost surely, 2^90220703 is an apocalyptic number.

90220703 is a deficient number, since it is larger than the sum of its proper divisors (1).

90220703 is an equidigital number, since it uses as much as digits as its factorization.

90220703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 90220703 is about 9498.4579274743. The cubic root of 90220703 is about 448.5064939505.

The spelling of 90220703 in words is "ninety million, two hundred twenty thousand, seven hundred three".