222409817352 has 36 divisors (see below), whose sum is σ = 602370760095. Its totient is φ = 74135271888.

The previous prime is 222409817351. The next prime is 222409817423. The reversal of 222409817352 is 253718904222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

222409817352 is a `hidden beast` number, since 2 + 22 + 409 + 8 + 173 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111204908676 + 111204908676 = 333474^2 + 333474^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333474.

It is a super-2 number, since 2×222409817352² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222409817298 and 222409817307.

It is not an unprimeable number, because it can be changed into a prime (222409817351) 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 8 ways as a sum of consecutive naturals, for example, 3973899 + ... + 4029477.

Almost surely, 2^222409817352 is an apocalyptic number.

It is an amenable number.

222409817352 is an abundant number, since it is smaller than the sum of its proper divisors (379960942743).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222409817352 is an frugal number, since it uses more digits than its factorization.

222409817352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111170 (or 55584 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 222409817352 in words is "two hundred twenty-two billion, four hundred nine million, eight hundred seventeen thousand, three hundred fifty-two".