22312004434 has 4 divisors (see below), whose sum is σ = 33468006654. Its totient is φ = 11156002216.

The previous prime is 22312004419. The next prime is 22312004441. The reversal of 22312004434 is 43440021322.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 22160788225 + 151216209 = 148865^2 + 12297^2 .

It is a super-3 number, since 3×22312004434³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312004399 and 22312004408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578001107 + ... + 5578001110.

Almost surely, 2^22312004434 is an apocalyptic number.

22312004434 is a deficient number, since it is larger than the sum of its proper divisors (11156002220).

22312004434 is a wasteful number, since it uses less digits than its factorization.

22312004434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156002219.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22312004434 its reverse (43440021322), we get a palindrome (65752025756).

The spelling of 22312004434 in words is "twenty-two billion, three hundred twelve million, four thousand, four hundred thirty-four".