90223220475 has 72 divisors (see below), whose sum is σ = 162330360192. Its totient is φ = 47902118400.

The previous prime is 90223220449. The next prime is 90223220489. The reversal of 90223220475 is 57402232209.

It is not a de Polignac number, because 90223220475 - 2⁹ = 90223219963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62960359 + ... + 62961791.

It is an arithmetic number, because the mean of its divisors is an integer number (2254588336).

Almost surely, 2^90223220475 is an apocalyptic number.

90223220475 is a deficient number, since it is larger than the sum of its proper divisors (72107139717).

90223220475 is a wasteful number, since it uses less digits than its factorization.

90223220475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 90223220475 in words is "ninety billion, two hundred twenty-three million, two hundred twenty thousand, four hundred seventy-five".