22345400242331 has 32 divisors (see below), whose sum is σ = 23757855802560. Its totient is φ = 20983629348864.

The previous prime is 22345400242271. The next prime is 22345400242391. The reversal of 22345400242331 is 13324200454322.

It is an interprime number because it is at equal distance from previous prime (22345400242271) and next prime (22345400242391).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22345400242331 is a prime.

It is a super-2 number, since 2×22345400242331² (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 = 22345400242291 and 22345400242300.

It is not an unprimeable number, because it can be changed into a prime (22345400242391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83816315 + ... + 84082491.

It is an arithmetic number, because the mean of its divisors is an integer number (742432993830).

Almost surely, 2^{22345400242331} is an apocalyptic number.

22345400242331 is a deficient number, since it is larger than the sum of its proper divisors (1412455560229).

22345400242331 is a wasteful number, since it uses less digits than its factorization.

22345400242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266735.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 22345400242331 its reverse (13324200454322), we get a palindrome (35669600696653).

The spelling of 22345400242331 in words is "twenty-two trillion, three hundred forty-five billion, four hundred million, two hundred forty-two thousand, three hundred thirty-one".