22452023133 has 12 divisors (see below), whose sum is σ = 32962351708. Its totient is φ = 14722637760.

The previous prime is 22452023129. The next prime is 22452023173. The reversal of 22452023133 is 33132025422.

22452023133 is a `hidden beast` number, since 2 + 2 + 4 + 520 + 2 + 3 + 133 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9374499684 + 13077523449 = 96822^2 + 114357^2 .

It is not a de Polignac number, because 22452023133 - 2² = 22452023129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22452023097 and 22452023106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452023123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20447560 + ... + 20448657.

Almost surely, 2^22452023133 is an apocalyptic number.

It is an amenable number.

22452023133 is a deficient number, since it is larger than the sum of its proper divisors (10510328575).

22452023133 is a wasteful number, since it uses less digits than its factorization.

22452023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40896284 (or 40896281 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22452023133 its reverse (33132025422), we get a palindrome (55584048555).

The spelling of 22452023133 in words is "twenty-two billion, four hundred fifty-two million, twenty-three thousand, one hundred thirty-three".