242252225606173 has 6 divisors (see below), whose sum is σ = 255673401540414. Its totient is φ = 229502108468664.

The previous prime is 242252225606123. The next prime is 242252225606227. The reversal of 242252225606173 is 371606522252242.

It can be written as a sum of positive squares in only one way, i.e., 151799229586489 + 90452996019684 = 12320683^2 + 9510678^2 .

It is not a de Polignac number, because 242252225606173 - 2¹³ = 242252225597981 is a prime.

It is a super-2 number, since 2×242252225606173² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242252225606123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335529397986 + ... + 335529398707.

It is an arithmetic number, because the mean of its divisors is an integer number (42612233590069).

Almost surely, 2^{242252225606173} is an apocalyptic number.

It is an amenable number.

242252225606173 is a deficient number, since it is larger than the sum of its proper divisors (13421175934241).

242252225606173 is an equidigital number, since it uses as much as digits as its factorization.

242252225606173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671058796731 (or 671058796712 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 242252225606173 in words is "two hundred forty-two trillion, two hundred fifty-two billion, two hundred twenty-five million, six hundred six thousand, one hundred seventy-three".