22129319473 has 4 divisors (see below), whose sum is σ = 22348421748. Its totient is φ = 21910217200.

The previous prime is 22129319461. The next prime is 22129319489. The reversal of 22129319473 is 37491392122.

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 15572044944 + 6557274529 = 124788^2 + 80977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22129319473 is a prime.

It is a super-3 number, since 3×22129319473³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22129319453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109550986 + ... + 109551187.

It is an arithmetic number, because the mean of its divisors is an integer number (5587105437).

Almost surely, 2^22129319473 is an apocalyptic number.

It is an amenable number.

22129319473 is a deficient number, since it is larger than the sum of its proper divisors (219102275).

22129319473 is a wasteful number, since it uses less digits than its factorization.

22129319473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219102274.

The product of its digits is 163296, while the sum is 43.

The spelling of 22129319473 in words is "twenty-two billion, one hundred twenty-nine million, three hundred nineteen thousand, four hundred seventy-three".