22346587038421 has 4 divisors (see below), whose sum is σ = 22347037016352. Its totient is φ = 22346137060492.

The previous prime is 22346587038371. The next prime is 22346587038443. The reversal of 22346587038421 is 12483078564322.

It is a happy number.

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 22346587038421 - 2¹⁵ = 22346587005653 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 (22346587038491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224914465 + ... + 225013798.

It is an arithmetic number, because the mean of its divisors is an integer number (5586759254088).

Almost surely, 2^{22346587038421} is an apocalyptic number.

It is an amenable number.

22346587038421 is a deficient number, since it is larger than the sum of its proper divisors (449977931).

22346587038421 is an equidigital number, since it uses as much as digits as its factorization.

22346587038421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449977930.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 22346587038421 in words is "twenty-two trillion, three hundred forty-six billion, five hundred eighty-seven million, thirty-eight thousand, four hundred twenty-one".