140222040231 has 64 divisors (see below), whose sum is σ = 235725357056. Its totient is φ = 72176832000.

The previous prime is 140222040181. The next prime is 140222040241. The reversal of 140222040231 is 132040222041.

It is not a de Polignac number, because 140222040231 - 2¹⁰ = 140222039207 is a prime.

It is a super-2 number, since 2×140222040231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 140222040198 and 140222040207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140222040241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2081781 + ... + 2148081.

It is an arithmetic number, because the mean of its divisors is an integer number (3683208704).

Almost surely, 2^140222040231 is an apocalyptic number.

140222040231 is a deficient number, since it is larger than the sum of its proper divisors (95503316825).

140222040231 is a wasteful number, since it uses less digits than its factorization.

140222040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66512.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 140222040231 its reverse (132040222041), we get a palindrome (272262262272).

It can be divided in two parts, 1402220 and 40231, that added together give a triangular number (1442451 = T₁₆₉₈).

The spelling of 140222040231 in words is "one hundred forty billion, two hundred twenty-two million, forty thousand, two hundred thirty-one".