23222440425531 has 8 divisors (see below), whose sum is σ = 30981542893840. Its totient is φ = 15472482453792.

The previous prime is 23222440425523. The next prime is 23222440425559. The reversal of 23222440425531 is 13552404422232.

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

It is not a de Polignac number, because 23222440425531 - 2³ = 23222440425523 is a prime.

It is a super-2 number, since 2×23222440425531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23222440425531.

It is not an unprimeable number, because it can be changed into a prime (23222440445531) 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, 2286118216 + ... + 2286128373.

It is an arithmetic number, because the mean of its divisors is an integer number (3872692861730).

Almost surely, 2^{23222440425531} is an apocalyptic number.

23222440425531 is a deficient number, since it is larger than the sum of its proper divisors (7759102468309).

23222440425531 is a wasteful number, since it uses less digits than its factorization.

23222440425531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572248285.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 23222440425531 its reverse (13552404422232), we get a palindrome (36774844847763).

The spelling of 23222440425531 in words is "twenty-three trillion, two hundred twenty-two billion, four hundred forty million, four hundred twenty-five thousand, five hundred thirty-one".