140223222421 has 4 divisors (see below), whose sum is σ = 141998200000. Its totient is φ = 138448244844.

The previous prime is 140223222409. The next prime is 140223222479. The reversal of 140223222421 is 124222322041.

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 140223222421 - 2¹¹ = 140223220373 is a prime.

It is a super-2 number, since 2×140223222421² (a number of 23 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 (140223222521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887488671 + ... + 887488828.

It is an arithmetic number, because the mean of its divisors is an integer number (35499550000).

Almost surely, 2^140223222421 is an apocalyptic number.

It is an amenable number.

140223222421 is a deficient number, since it is larger than the sum of its proper divisors (1774977579).

140223222421 is an equidigital number, since it uses as much as digits as its factorization.

140223222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774977578.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140223222421 its reverse (124222322041), we get a palindrome (264445544462).

The spelling of 140223222421 in words is "one hundred forty billion, two hundred twenty-three million, two hundred twenty-two thousand, four hundred twenty-one".