140422244420 has 24 divisors (see below), whose sum is σ = 304399189248. Its totient is φ = 54356997600.

The previous prime is 140422244401. The next prime is 140422244429. The reversal of 140422244420 is 24442224041.

It is a happy number.

It is a super-2 number, since 2×140422244420² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140422244429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113243126 + ... + 113244365.

It is an arithmetic number, because the mean of its divisors is an integer number (12683299552).

Almost surely, 2^140422244420 is an apocalyptic number.

140422244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140422244420 is an abundant number, since it is smaller than the sum of its proper divisors (163976944828).

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

140422244420 is a wasteful number, since it uses less digits than its factorization.

140422244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226487531 (or 226487529 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 140422244420 its reverse (24442224041), we get a palindrome (164864468461).

The spelling of 140422244420 in words is "one hundred forty billion, four hundred twenty-two million, two hundred forty-four thousand, four hundred twenty".