222406431428701 has 4 divisors (see below), whose sum is σ = 239514618461692. Its totient is φ = 205298244395712.

The previous prime is 222406431428693. The next prime is 222406431428723. The reversal of 222406431428701 is 107824134604222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101653277405625 + 120753154023076 = 10082325^2 + 10988774^2 .

It is not a de Polignac number, because 222406431428701 - 2³ = 222406431428693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222406431428791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8554093516476 + ... + 8554093516501.

It is an arithmetic number, because the mean of its divisors is an integer number (59878654615423).

Almost surely, 2^{222406431428701} is an apocalyptic number.

It is an amenable number.

222406431428701 is a deficient number, since it is larger than the sum of its proper divisors (17108187032991).

222406431428701 is a wasteful number, since it uses less digits than its factorization.

222406431428701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17108187032990.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 222406431428701 in words is "two hundred twenty-two trillion, four hundred six billion, four hundred thirty-one million, four hundred twenty-eight thousand, seven hundred one".