90468522 has 48 divisors (see below), whose sum is σ = 210228480. Its totient is φ = 28835928.

The previous prime is 90468503. The next prime is 90468527. The reversal of 90468522 is 22586409.

It is a happy number.

90468522 is a `hidden beast` number, since 90 + 46 + 8 + 522 = 666.

It is a super-3 number, since 3×90468522³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90468527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26983 + ... + 30149.

It is an arithmetic number, because the mean of its divisors is an integer number (4379760).

Almost surely, 2^90468522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90468522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105114240).

90468522 is an abundant number, since it is smaller than the sum of its proper divisors (119759958).

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

90468522 is a wasteful number, since it uses less digits than its factorization.

90468522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 90468522 is about 9511.4942043824. The cubic root of 90468522 is about 448.9167723542.

The spelling of 90468522 in words is "ninety million, four hundred sixty-eight thousand, five hundred twenty-two".