22488488421 has 8 divisors (see below), whose sum is σ = 34268172864. Its totient is φ = 12850564800.

The previous prime is 22488488413. The next prime is 22488488443. The reversal of 22488488421 is 12488488422.

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

It is not a de Polignac number, because 22488488421 - 2³ = 22488488413 is a prime.

It is a super-2 number, since 2×22488488421² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22488488461) 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 7 ways as a sum of consecutive naturals, for example, 535440180 + ... + 535440221.

It is an arithmetic number, because the mean of its divisors is an integer number (4283521608).

Almost surely, 2^22488488421 is an apocalyptic number.

22488488421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22488488421 is a deficient number, since it is larger than the sum of its proper divisors (11779684443).

22488488421 is a wasteful number, since it uses less digits than its factorization.

22488488421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070880411.

The product of its digits is 2097152, while the sum is 51.

Subtracting from 22488488421 its reverse (12488488422), we obtain a palindrome (9999999999).

The spelling of 22488488421 in words is "twenty-two billion, four hundred eighty-eight million, four hundred eighty-eight thousand, four hundred twenty-one".