228025473436801 has 4 divisors (see below), whose sum is σ = 228744796697172. Its totient is φ = 227306150176432.

The previous prime is 228025473436751. The next prime is 228025473436811. The reversal of 228025473436801 is 108634374520822.

It is a happy number.

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 117650467022400 + 110375006414401 = 10846680^2 + 10505951^2 .

It is a cyclic number.

It is not a de Polignac number, because 228025473436801 - 2¹⁵ = 228025473404033 is a prime.

It is a super-2 number, since 2×228025473436801² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228025473436811) 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, 359661629710 + ... + 359661630343.

It is an arithmetic number, because the mean of its divisors is an integer number (57186199174293).

Almost surely, 2^{228025473436801} is an apocalyptic number.

It is an amenable number.

228025473436801 is a deficient number, since it is larger than the sum of its proper divisors (719323260371).

228025473436801 is an equidigital number, since it uses as much as digits as its factorization.

228025473436801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719323260370.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 228025473436801 in words is "two hundred twenty-eight trillion, twenty-five billion, four hundred seventy-three million, four hundred thirty-six thousand, eight hundred one".