90022050 has 48 divisors (see below), whose sum is σ = 248064480. Its totient is φ = 24005520.

The previous prime is 90022043. The next prime is 90022087. The reversal of 90022050 is 5022009.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31992 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (5168010).

Almost surely, 2^90022050 is an apocalyptic number.

90022050 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90022050 is an abundant number, since it is smaller than the sum of its proper divisors (158042430).

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

90022050 is a wasteful number, since it uses less digits than its factorization.

90022050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66704 (or 66693 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 90022050 is about 9487.9950463731. The cubic root of 90022050 is about 448.1770698060.

Adding to 90022050 its reverse (5022009), we get a palindrome (95044059).

The spelling of 90022050 in words is "ninety million, twenty-two thousand, fifty".