22540152551333 has 4 divisors (see below), whose sum is σ = 23866043877900. Its totient is φ = 21214261224768.

The previous prime is 22540152551317. The next prime is 22540152551351. The reversal of 22540152551333 is 33315525104522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13579092340324 + 8961060211009 = 3684982^2 + 2993503^2 .

It is not a de Polignac number, because 22540152551333 - 2⁴ = 22540152551317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540152554333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662945663258 + ... + 662945663291.

It is an arithmetic number, because the mean of its divisors is an integer number (5966510969475).

Almost surely, 2^{22540152551333} is an apocalyptic number.

It is an amenable number.

22540152551333 is a deficient number, since it is larger than the sum of its proper divisors (1325891326567).

22540152551333 is a wasteful number, since it uses less digits than its factorization.

22540152551333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325891326566.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 22540152551333 its reverse (33315525104522), we get a palindrome (55855677655855).

The spelling of 22540152551333 in words is "twenty-two trillion, five hundred forty billion, one hundred fifty-two million, five hundred fifty-one thousand, three hundred thirty-three".