22241302421 has 8 divisors (see below), whose sum is σ = 23960583864. Its totient is φ = 20523222720.

The previous prime is 22241302399. The next prime is 22241302429. The reversal of 22241302421 is 12420314222.

It can be written as a sum of positive squares in 4 ways, for example, as 35832196 + 22205470225 = 5986^2 + 149015^2 .

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

It is not a de Polignac number, because 22241302421 - 2⁶ = 22241302357 is a prime.

It is a super-2 number, since 2×22241302421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241302429) 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, 261806 + ... + 336191.

It is an arithmetic number, because the mean of its divisors is an integer number (2995072983).

Almost surely, 2^22241302421 is an apocalyptic number.

It is an amenable number.

22241302421 is a deficient number, since it is larger than the sum of its proper divisors (1719281443).

22241302421 is a wasteful number, since it uses less digits than its factorization.

22241302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600871.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22241302421 its reverse (12420314222), we get a palindrome (34661616643).

The spelling of 22241302421 in words is "twenty-two billion, two hundred forty-one million, three hundred two thousand, four hundred twenty-one".