22430522251340 has 48 divisors (see below), whose sum is σ = 53834205633600. Its totient is φ = 7690328739072.

The previous prime is 22430522251321. The next prime is 22430522251349. The reversal of 22430522251340 is 4315222503422.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22430522251340.

It is not an unprimeable number, because it can be changed into a prime (22430522251349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6691106 + ... + 9467414.

It is an arithmetic number, because the mean of its divisors is an integer number (1121545950700).

Almost surely, 2^{22430522251340} is an apocalyptic number.

22430522251340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22430522251340 is an abundant number, since it is smaller than the sum of its proper divisors (31403683382260).

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

22430522251340 is a wasteful number, since it uses less digits than its factorization.

22430522251340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834034 (or 2834032 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 22430522251340 its reverse (4315222503422), we get a palindrome (26745744754762).

The spelling of 22430522251340 in words is "twenty-two trillion, four hundred thirty billion, five hundred twenty-two million, two hundred fifty-one thousand, three hundred forty".