298227121 has 2 divisors, whose sum is σ = 298227122. Its totient is φ = 298227120.

The previous prime is 298227113. The next prime is 298227151. The reversal of 298227121 is 121722892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275560000 + 22667121 = 16600^2 + 4761^2 .

It is a cyclic number.

It is not a de Polignac number, because 298227121 - 2³ = 298227113 is a prime.

It is equal to p_16161496 and since 298227121 and 16161496 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (298227151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149113560 + 149113561.

It is an arithmetic number, because the mean of its divisors is an integer number (149113561).

Almost surely, 2^298227121 is an apocalyptic number.

It is an amenable number.

298227121 is a deficient number, since it is larger than the sum of its proper divisors (1).

298227121 is an equidigital number, since it uses as much as digits as its factorization.

298227121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 298227121 is about 17269.2536318163. The cubic root of 298227121 is about 668.1116509622. Note that the first 3 decimals are identical.

It can be divided in two parts, 2982 and 27121, that added together give a palindrome (30103).

The spelling of 298227121 in words is "two hundred ninety-eight million, two hundred twenty-seven thousand, one hundred twenty-one".