22421014397 has 4 divisors (see below), whose sum is σ = 22421511936. Its totient is φ = 22420516860.

The previous prime is 22421014381. The next prime is 22421014403. The reversal of 22421014397 is 79341012422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22421014397 - 2⁴ = 22421014381 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 (22421017397) 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 3 ways as a sum of consecutive naturals, for example, 173603 + ... + 273824.

It is an arithmetic number, because the mean of its divisors is an integer number (5605377984).

Almost surely, 2^22421014397 is an apocalyptic number.

It is an amenable number.

22421014397 is a deficient number, since it is larger than the sum of its proper divisors (497539).

22421014397 is an equidigital number, since it uses as much as digits as its factorization.

22421014397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497538.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 22421014397 in words is "twenty-two billion, four hundred twenty-one million, fourteen thousand, three hundred ninety-seven".