22522492354561 has 8 divisors (see below), whose sum is σ = 22790219727240. Its totient is φ = 22255090885632.

The previous prime is 22522492354519. The next prime is 22522492354573. The reversal of 22522492354561 is 16545329422522.

It can be written as a sum of positive squares in 4 ways, for example, as 2578050908161 + 19944441446400 = 1605631^2 + 4465920^2 .

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 22522492354561 - 2⁷ = 22522492354433 is a prime.

It is a super-2 number, since 2×22522492354561² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22522492354499 and 22522492354508.

It is not an unprimeable number, because it can be changed into a prime (22522492054561) 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, 81336900 + ... + 81613333.

It is an arithmetic number, because the mean of its divisors is an integer number (2848777465905).

Almost surely, 2^{22522492354561} is an apocalyptic number.

It is an amenable number.

22522492354561 is a deficient number, since it is larger than the sum of its proper divisors (267727372679).

22522492354561 is a wasteful number, since it uses less digits than its factorization.

22522492354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162951875.

The product of its digits is 10368000, while the sum is 52.

The spelling of 22522492354561 in words is "twenty-two trillion, five hundred twenty-two billion, four hundred ninety-two million, three hundred fifty-four thousand, five hundred sixty-one".