90220822242864 has 40 divisors (see below), whose sum is σ = 233098549421040. Its totient is φ = 30069982645248.

The previous prime is 90220822242823. The next prime is 90220822242871. The reversal of 90220822242864 is 46824222802209.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 112871629 + ... + 113668140.

It is an arithmetic number, because the mean of its divisors is an integer number (5827463735526).

Almost surely, 2^{90220822242864} is an apocalyptic number.

It is an amenable number.

90220822242864 is an abundant number, since it is smaller than the sum of its proper divisors (142877727178176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90220822242864 is a wasteful number, since it uses less digits than its factorization.

90220822242864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226548077 (or 226548071 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 90220822242864 in words is "ninety trillion, two hundred twenty billion, eight hundred twenty-two million, two hundred forty-two thousand, eight hundred sixty-four".