90000922 has 16 divisors (see below), whose sum is σ = 147420000. Its totient is φ = 40869040.

The previous prime is 90000913. The next prime is 90000923. The reversal of 90000922 is 22900009.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 90000893 and 90000902.

It is not an unprimeable number, because it can be changed into a prime (90000923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41829 + ... + 43927.

It is an arithmetic number, because the mean of its divisors is an integer number (9213750).

Almost surely, 2^90000922 is an apocalyptic number.

90000922 is a deficient number, since it is larger than the sum of its proper divisors (57419078).

90000922 is a wasteful number, since it uses less digits than its factorization.

90000922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 90000922 is about 9486.8815740474. The cubic root of 90000922 is about 448.1420049672.

The spelling of 90000922 in words is "ninety million, nine hundred twenty-two", and thus it is an aban number.