22848021 has 16 divisors (see below), whose sum is σ = 38684800. Its totient is φ = 13055904.

The previous prime is 22848019. The next prime is 22848037. The reversal of 22848021 is 12084822.

It is not a de Polignac number, because 22848021 - 2¹ = 22848019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22848011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60256 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (2417800).

Almost surely, 2^22848021 is an apocalyptic number.

22848021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22848021 is a deficient number, since it is larger than the sum of its proper divisors (15836779).

22848021 is a wasteful number, since it uses less digits than its factorization.

22848021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120905 (or 120899 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 22848021 is about 4779.9603554841. The cubic root of 22848021 is about 283.7589247259.

The spelling of 22848021 in words is "twenty-two million, eight hundred forty-eight thousand, twenty-one".