22031253112045 has 8 divisors (see below), whose sum is σ = 26437917352824. Its totient is φ = 17624726744064.

The previous prime is 22031253112019. The next prime is 22031253112049. The reversal of 22031253112045 is 54021135213022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 240552973444 + 21790700138601 = 490462^2 + 4668051^2 .

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 22031253112045 - 2³³ = 22022663177453 is a prime.

It is a super-2 number, since 2×22031253112045² (a number of 27 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 = 22031253111998 and 22031253112016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031253112049) 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, 34116324 + ... + 34756093.

It is an arithmetic number, because the mean of its divisors is an integer number (3304739669103).

Almost surely, 2^{22031253112045} is an apocalyptic number.

It is an amenable number.

22031253112045 is a deficient number, since it is larger than the sum of its proper divisors (4406664240779).

22031253112045 is an equidigital number, since it uses as much as digits as its factorization.

22031253112045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68936399.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22031253112045 its reverse (54021135213022), we get a palindrome (76052388325067).

The spelling of 22031253112045 in words is "twenty-two trillion, thirty-one billion, two hundred fifty-three million, one hundred twelve thousand, forty-five".