228015061 has 2 divisors, whose sum is σ = 228015062. Its totient is φ = 228015060.

The previous prime is 228015049. The next prime is 228015079. The reversal of 228015061 is 160510822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202066225 + 25948836 = 14215^2 + 5094^2 .

It is a cyclic number.

It is not a de Polignac number, because 228015061 - 2¹³ = 228006869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228015041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114007530 + 114007531.

It is an arithmetic number, because the mean of its divisors is an integer number (114007531).

Almost surely, 2^228015061 is an apocalyptic number.

It is an amenable number.

228015061 is a deficient number, since it is larger than the sum of its proper divisors (1).

228015061 is an equidigital number, since it uses as much as digits as its factorization.

228015061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 228015061 is about 15100.1675818515. The cubic root of 228015061 is about 610.9249257961.

Adding to 228015061 its reverse (160510822), we get a palindrome (388525883).

The spelling of 228015061 in words is "two hundred twenty-eight million, fifteen thousand, sixty-one".