90244122 has 8 divisors (see below), whose sum is σ = 180488256. Its totient is φ = 30081372.

The previous prime is 90244087. The next prime is 90244123. The reversal of 90244122 is 22144209.

It is a sphenic number, since it is the product of 3 distinct primes.

90244122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 90244092 and 90244101.

It is not an unprimeable number, because it can be changed into a prime (90244123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7520338 + ... + 7520349.

It is an arithmetic number, because the mean of its divisors is an integer number (22561032).

Almost surely, 2^90244122 is an apocalyptic number.

90244122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90244122 is a wasteful number, since it uses less digits than its factorization.

90244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040692.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 90244122 is about 9499.6906265415. The cubic root of 90244122 is about 448.5452975530.

The spelling of 90244122 in words is "ninety million, two hundred forty-four thousand, one hundred twenty-two".