22430321220040 has 64 divisors (see below), whose sum is σ = 50962873743360. Its totient is φ = 8884460712960.

The previous prime is 22430321219981. The next prime is 22430321220089. The reversal of 22430321220040 is 4002212303422.

It is a junction number, because it is equal to n+sod(n) for n = 22430321219987 and 22430321220014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564401 + ... + 6878080.

It is an arithmetic number, because the mean of its divisors is an integer number (796294902240).

Almost surely, 2^{22430321220040} is an apocalyptic number.

22430321220040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22430321220040 is an abundant number, since it is smaller than the sum of its proper divisors (28532552523320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22430321220040 is a wasteful number, since it uses less digits than its factorization.

22430321220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443142 (or 8443138 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22430321220040 its reverse (4002212303422), we get a palindrome (26432533523462).

The spelling of 22430321220040 in words is "twenty-two trillion, four hundred thirty billion, three hundred twenty-one million, two hundred twenty thousand, forty".