89821022 has 4 divisors (see below), whose sum is σ = 134731536. Its totient is φ = 44910510.

The previous prime is 89821021. The next prime is 89821027. The reversal of 89821022 is 22012898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22012898 = 2 ⋅11006449.

It is a self number, because there is not a number n which added to its sum of digits gives 89821022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89821021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22455254 + ... + 22455257.

It is an arithmetic number, because the mean of its divisors is an integer number (33682884).

Almost surely, 2^89821022 is an apocalyptic number.

89821022 is a deficient number, since it is larger than the sum of its proper divisors (44910514).

89821022 is a wasteful number, since it uses less digits than its factorization.

89821022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44910513.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 89821022 is about 9477.3953172800. The cubic root of 89821022 is about 447.8432134979.

The spelling of 89821022 in words is "eighty-nine million, eight hundred twenty-one thousand, twenty-two".