22320137275 has 6 divisors (see below), whose sum is σ = 27676970252. Its totient is φ = 17856109800.

The previous prime is 22320137263. The next prime is 22320137317. The reversal of 22320137275 is 57273102322.

It is not a de Polignac number, because 22320137275 - 2⁵ = 22320137243 is a prime.

It is a super-3 number, since 3×22320137275³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22320137275.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446402721 + ... + 446402770.

Almost surely, 2^22320137275 is an apocalyptic number.

22320137275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22320137275 is a deficient number, since it is larger than the sum of its proper divisors (5356832977).

22320137275 is an equidigital number, since it uses as much as digits as its factorization.

22320137275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892805501 (or 892805496 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

Adding to 22320137275 its reverse (57273102322), we get a palindrome (79593239597).

The spelling of 22320137275 in words is "twenty-two billion, three hundred twenty million, one hundred thirty-seven thousand, two hundred seventy-five".