99022 has 16 divisors (see below), whose sum is σ = 185472. Its totient is φ = 38520.

The previous prime is 99017. The next prime is 99023. The reversal of 99022 is 22099.

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 = 98984 and 99002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99023) by changing a digit.

99022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168 + ... + 475.

It is an arithmetic number, because the mean of its divisors is an integer number (11592).

2⁹⁹⁰²² is an apocalyptic number.

99022 is a deficient number, since it is larger than the sum of its proper divisors (86450).

99022 is a wasteful number, since it uses less digits than its factorization.

99022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

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

The square root of 99022 is about 314.6776128040. The cubic root of 99022 is about 46.2640765528.

Adding to 99022 its reverse (22099), we get a palindrome (121121).

The spelling of 99022 in words is "ninety-nine thousand, twenty-two".