228894425 has 12 divisors (see below), whose sum is σ = 298768080. Its totient is φ = 173477520.

The previous prime is 228894403. The next prime is 228894427. The reversal of 228894425 is 524498822.

It is not a de Polignac number, because 228894425 - 2¹⁸ = 228632281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228894427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240467 + ... + 241416.

It is an arithmetic number, because the mean of its divisors is an integer number (24897340).

Almost surely, 2^228894425 is an apocalyptic number.

228894425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228894425 is a deficient number, since it is larger than the sum of its proper divisors (69873655).

228894425 is a wasteful number, since it uses less digits than its factorization.

228894425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481912 (or 481907 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 228894425 is about 15129.2572520927. The cubic root of 228894425 is about 611.7092836919.

The spelling of 228894425 in words is "two hundred twenty-eight million, eight hundred ninety-four thousand, four hundred twenty-five".