22142120421430 has 16 divisors (see below), whose sum is σ = 40142549255760. Its totient is φ = 8793129835872.

The previous prime is 22142120421427. The next prime is 22142120421527. The reversal of 22142120421430 is 3412402124122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7964790129 + ... + 7964792908.

It is an arithmetic number, because the mean of its divisors is an integer number (2508909328485).

Almost surely, 2^{22142120421430} is an apocalyptic number.

22142120421430 is a deficient number, since it is larger than the sum of its proper divisors (18000428834330).

22142120421430 is a wasteful number, since it uses less digits than its factorization.

22142120421430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929583183.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 22142120421430 its reverse (3412402124122), we get a palindrome (25554522545552).

The spelling of 22142120421430 in words is "twenty-two trillion, one hundred forty-two billion, one hundred twenty million, four hundred twenty-one thousand, four hundred thirty".