22421023401 has 8 divisors (see below), whose sum is σ = 34165369024. Its totient is φ = 12812013360.

The previous prime is 22421023399. The next prime is 22421023409. The reversal of 22421023401 is 10432012422.

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

It is not a de Polignac number, because 22421023401 - 2¹ = 22421023399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1067667781 = 22421023401 / (2 + 2 + 4 + 2 + 1 + 0 + 2 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22421023409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533833870 + ... + 533833911.

It is an arithmetic number, because the mean of its divisors is an integer number (4270671128).

Almost surely, 2^22421023401 is an apocalyptic number.

22421023401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22421023401 is a deficient number, since it is larger than the sum of its proper divisors (11744345623).

22421023401 is a wasteful number, since it uses less digits than its factorization.

22421023401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067667791.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22421023401 its reverse (10432012422), we get a palindrome (32853035823).

The spelling of 22421023401 in words is "twenty-two billion, four hundred twenty-one million, twenty-three thousand, four hundred one".