22706374321 has 4 divisors (see below), whose sum is σ = 23134796532. Its totient is φ = 22277952112.

The previous prime is 22706374277. The next prime is 22706374333. The reversal of 22706374321 is 12347360722.

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 9518148721 + 13188225600 = 97561^2 + 114840^2 .

It is a cyclic number.

It is not a de Polignac number, because 22706374321 - 2²⁵ = 22672819889 is a prime.

It is a super-2 number, since 2×22706374321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22706374391) 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, 214211026 + ... + 214211131.

It is an arithmetic number, because the mean of its divisors is an integer number (5783699133).

Almost surely, 2^22706374321 is an apocalyptic number.

It is an amenable number.

22706374321 is a deficient number, since it is larger than the sum of its proper divisors (428422211).

22706374321 is an equidigital number, since it uses as much as digits as its factorization.

22706374321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428422210.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 22706374321 in words is "twenty-two billion, seven hundred six million, three hundred seventy-four thousand, three hundred twenty-one".