22240142431 has 8 divisors (see below), whose sum is σ = 24013463040. Its totient is φ = 20475756192.

The previous prime is 22240142423. The next prime is 22240142461. The reversal of 22240142431 is 13424104222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22240142431 - 2³ = 22240142423 is a prime.

It is a super-2 number, since 2×22240142431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22240142396 and 22240142405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240142401) 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, 2228416 + ... + 2238373.

It is an arithmetic number, because the mean of its divisors is an integer number (3001682880).

Almost surely, 2^22240142431 is an apocalyptic number.

22240142431 is a deficient number, since it is larger than the sum of its proper divisors (1773320609).

22240142431 is a wasteful number, since it uses less digits than its factorization.

22240142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467185.

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

Adding to 22240142431 its reverse (13424104222), we get a palindrome (35664246653).

The spelling of 22240142431 in words is "twenty-two billion, two hundred forty million, one hundred forty-two thousand, four hundred thirty-one".