90228162248 has 64 divisors (see below), whose sum is σ = 202068034560. Its totient is φ = 36930079296.

The previous prime is 90228162247. The next prime is 90228162259. The reversal of 90228162248 is 84226182209.

It is a super-2 number, since 2×90228162248² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90228162199 and 90228162208.

It is not an unprimeable number, because it can be changed into a prime (90228162247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773711 + ... + 882657.

It is an arithmetic number, because the mean of its divisors is an integer number (3157313040).

Almost surely, 2^90228162248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90228162248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101034017280).

90228162248 is an abundant number, since it is smaller than the sum of its proper divisors (111839872312).

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

90228162248 is a wasteful number, since it uses less digits than its factorization.

90228162248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109626 (or 109622 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 90228162248 in words is "ninety billion, two hundred twenty-eight million, one hundred sixty-two thousand, two hundred forty-eight".