26428228 has 12 divisors (see below), whose sum is σ = 46288060. Its totient is φ = 13203072.

The previous prime is 26428201. The next prime is 26428229. The reversal of 26428228 is 82282462.

It can be written as a sum of positive squares in 2 ways, for example, as 9847044 + 16581184 = 3138^2 + 4072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26428193 and 26428202.

It is not an unprimeable number, because it can be changed into a prime (26428229) 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, 5128 + ... + 8896.

Almost surely, 2^26428228 is an apocalyptic number.

It is an amenable number.

26428228 is a deficient number, since it is larger than the sum of its proper divisors (19859832).

26428228 is a wasteful number, since it uses less digits than its factorization.

26428228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526 (or 5524 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 26428228 is about 5140.8392310984. The cubic root of 26428228 is about 297.8671990589.

The spelling of 26428228 in words is "twenty-six million, four hundred twenty-eight thousand, two hundred twenty-eight".