22868547421 has 4 divisors (see below), whose sum is σ = 24072155200. Its totient is φ = 21664939644.

The previous prime is 22868547397. The next prime is 22868547463. The reversal of 22868547421 is 12474586822.

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 22868547421 - 2¹¹ = 22868545373 is a prime.

It is a super-2 number, since 2×22868547421² (a number of 22 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 (22868544421) 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, 601803861 + ... + 601803898.

It is an arithmetic number, because the mean of its divisors is an integer number (6018038800).

Almost surely, 2^22868547421 is an apocalyptic number.

It is an amenable number.

22868547421 is a deficient number, since it is larger than the sum of its proper divisors (1203607779).

22868547421 is a wasteful number, since it uses less digits than its factorization.

22868547421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203607778.

The product of its digits is 1720320, while the sum is 49.

The spelling of 22868547421 in words is "twenty-two billion, eight hundred sixty-eight million, five hundred forty-seven thousand, four hundred twenty-one".