22312012534 has 16 divisors (see below), whose sum is σ = 38441376000. Its totient is φ = 9514238184.

The previous prime is 22312012483. The next prime is 22312012553. The reversal of 22312012534 is 43521021322.

It is a super-3 number, since 3×22312012534³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312012499 and 22312012508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4001524 + ... + 4007095.

It is an arithmetic number, because the mean of its divisors is an integer number (2402586000).

Almost surely, 2^22312012534 is an apocalyptic number.

22312012534 is a deficient number, since it is larger than the sum of its proper divisors (16129363466).

22312012534 is a wasteful number, since it uses less digits than its factorization.

22312012534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008827.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22312012534 its reverse (43521021322), we get a palindrome (65833033856).

The spelling of 22312012534 in words is "twenty-two billion, three hundred twelve million, twelve thousand, five hundred thirty-four".