22542004523231 has 4 divisors (see below), whose sum is σ = 22543078842672. Its totient is φ = 22540930203792.

The previous prime is 22542004523201. The next prime is 22542004523237. The reversal of 22542004523231 is 13232540024522.

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

It is a cyclic number.

It is not a de Polignac number, because 22542004523231 - 2³⁴ = 22524824654047 is a prime.

It is a super-3 number, since 3×22542004523231³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22542004523191 and 22542004523200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542004523237) 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, 537128246 + ... + 537170211.

It is an arithmetic number, because the mean of its divisors is an integer number (5635769710668).

Almost surely, 2^{22542004523231} is an apocalyptic number.

22542004523231 is a deficient number, since it is larger than the sum of its proper divisors (1074319441).

22542004523231 is a wasteful number, since it uses less digits than its factorization.

22542004523231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074319440.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 22542004523231 its reverse (13232540024522), we get a palindrome (35774544547753).

The spelling of 22542004523231 in words is "twenty-two trillion, five hundred forty-two billion, four million, five hundred twenty-three thousand, two hundred thirty-one".