542220052225 has 6 divisors (see below), whose sum is σ = 672352864790. Its totient is φ = 433776041760.

The previous prime is 542220052207. The next prime is 542220052229. The reversal of 542220052225 is 522250022245.

It can be written as a sum of positive squares in 3 ways, for example, as 147338519409 + 394881532816 = 383847^2 + 628396^2 .

It is not a de Polignac number, because 542220052225 - 2⁷ = 542220052097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542220052229) 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, 10844401020 + ... + 10844401069.

Almost surely, 2^542220052225 is an apocalyptic number.

It is an amenable number.

542220052225 is a deficient number, since it is larger than the sum of its proper divisors (130132812565).

542220052225 is a wasteful number, since it uses less digits than its factorization.

542220052225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688802099 (or 21688802094 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 542220052225 in words is "five hundred forty-two billion, two hundred twenty million, fifty-two thousand, two hundred twenty-five".