22444302021 has 8 divisors (see below), whose sum is σ = 30957658080. Its totient is φ = 14446906992.

The previous prime is 22444302019. The next prime is 22444302043. The reversal of 22444302021 is 12020344422.

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

It is not a de Polignac number, because 22444302021 - 2¹ = 22444302019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22444301982 and 22444302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444302011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128990155 + ... + 128990328.

It is an arithmetic number, because the mean of its divisors is an integer number (3869707260).

Almost surely, 2^22444302021 is an apocalyptic number.

It is an amenable number.

22444302021 is a deficient number, since it is larger than the sum of its proper divisors (8513356059).

22444302021 is a wasteful number, since it uses less digits than its factorization.

22444302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257980515.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22444302021 its reverse (12020344422), we get a palindrome (34464646443).

The spelling of 22444302021 in words is "twenty-two billion, four hundred forty-four million, three hundred two thousand, twenty-one".