425222213145545 has 8 divisors (see below), whose sum is σ = 513991229905224. Its totient is φ = 337694721096064.

The previous prime is 425222213145523. The next prime is 425222213145557. The reversal of 425222213145545 is 545541312222524.

It can be written as a sum of positive squares in 4 ways, for example, as 94756752238864 + 330465460906681 = 9734308^2 + 18178709^2 .

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 425222213145545 - 2¹⁶ = 425222213080009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425222213145545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310381176794 + ... + 310381178163.

It is an arithmetic number, because the mean of its divisors is an integer number (64248903738153).

Almost surely, 2^{425222213145545} is an apocalyptic number.

It is an amenable number.

425222213145545 is a deficient number, since it is larger than the sum of its proper divisors (88769016759679).

425222213145545 is a wasteful number, since it uses less digits than its factorization.

425222213145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620762355099.

The product of its digits is 3840000, while the sum is 47.

The spelling of 425222213145545 in words is "four hundred twenty-five trillion, two hundred twenty-two billion, two hundred thirteen million, one hundred forty-five thousand, five hundred forty-five".