22570725281 has 8 divisors (see below), whose sum is σ = 24308902464. Its totient is φ = 20832829200.

The previous prime is 22570725161. The next prime is 22570725283. The reversal of 22570725281 is 18252707522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22570725281 - 2¹⁰ = 22570724257 is a prime.

It is a super-2 number, since 2×22570725281² (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 (22570725283) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 114506 + ... + 241356.

It is an arithmetic number, because the mean of its divisors is an integer number (3038612808).

Almost surely, 2^22570725281 is an apocalyptic number.

It is an amenable number.

22570725281 is a deficient number, since it is larger than the sum of its proper divisors (1738177183).

22570725281 is a wasteful number, since it uses less digits than its factorization.

22570725281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140551.

The product of its (nonzero) digits is 156800, while the sum is 41.

The spelling of 22570725281 in words is "twenty-two billion, five hundred seventy million, seven hundred twenty-five thousand, two hundred eighty-one".