222352335402445 has 8 divisors (see below), whose sum is σ = 271857194982936. Its totient is φ = 174525606655296.

The previous prime is 222352335402437. The next prime is 222352335402487. The reversal of 222352335402445 is 544204533253222.

It can be written as a sum of positive squares in 4 ways, for example, as 70413529690729 + 151938805711716 = 8391277^2 + 12326346^2 .

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 222352335402445 - 2³ = 222352335402437 is a prime.

It is a super-2 number, since 2×222352335402445² (a number of 29 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 = 222352335402395 and 222352335402404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419532708042 + ... + 419532708571.

It is an arithmetic number, because the mean of its divisors is an integer number (33982149372867).

Almost surely, 2^{222352335402445} is an apocalyptic number.

It is an amenable number.

222352335402445 is a deficient number, since it is larger than the sum of its proper divisors (49504859580491).

222352335402445 is an equidigital number, since it uses as much as digits as its factorization.

222352335402445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839065416671.

The product of its (nonzero) digits is 6912000, while the sum is 46.

Adding to 222352335402445 its reverse (544204533253222), we get a palindrome (766556868655667).

The spelling of 222352335402445 in words is "two hundred twenty-two trillion, three hundred fifty-two billion, three hundred thirty-five million, four hundred two thousand, four hundred forty-five".