22430135250505 has 4 divisors (see below), whose sum is σ = 26916162300612. Its totient is φ = 17944108200400.

The previous prime is 22430135250493. The next prime is 22430135250553. The reversal of 22430135250505 is 50505253103422.

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 14067442934281 + 8362692316224 = 3750659^2 + 2891832^2 .

It is not a de Polignac number, because 22430135250505 - 2⁵ = 22430135250473 is a prime.

It is a super-2 number, since 2×22430135250505² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243013525046 + ... + 2243013525055.

It is an arithmetic number, because the mean of its divisors is an integer number (6729040575153).

Almost surely, 2^{22430135250505} is an apocalyptic number.

It is an amenable number.

22430135250505 is a deficient number, since it is larger than the sum of its proper divisors (4486027050107).

22430135250505 is an equidigital number, since it uses as much as digits as its factorization.

22430135250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486027050106.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 22430135250505 its reverse (50505253103422), we get a palindrome (72935388353927).

The spelling of 22430135250505 in words is "twenty-two trillion, four hundred thirty billion, one hundred thirty-five million, two hundred fifty thousand, five hundred five".