88922821 has 8 divisors (see below), whose sum is σ = 95886560. Its totient is φ = 81976752.

The previous prime is 88922783. The next prime is 88922851. The reversal of 88922821 is 12822988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88922821 - 2⁷ = 88922693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88922851) 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, 7186 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (11985820).

Almost surely, 2^88922821 is an apocalyptic number.

It is an amenable number.

88922821 is a deficient number, since it is larger than the sum of its proper divisors (6963739).

88922821 is a wasteful number, since it uses less digits than its factorization.

88922821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835.

The product of its digits is 36864, while the sum is 40.

The square root of 88922821 is about 9429.8897660577. The cubic root of 88922821 is about 446.3454143467.

It can be divided in two parts, 889228 and 21, that added together give a square (889249 = 943²).

The spelling of 88922821 in words is "eighty-eight million, nine hundred twenty-two thousand, eight hundred twenty-one".