26402228 has 6 divisors (see below), whose sum is σ = 46203906. Its totient is φ = 13201112.

The previous prime is 26402227. The next prime is 26402231. The reversal of 26402228 is 82220462.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 4761124 = 4652^2 + 2182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26402197 and 26402206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26402227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300275 + ... + 3300282.

It is an arithmetic number, because the mean of its divisors is an integer number (7700651).

Almost surely, 2^26402228 is an apocalyptic number.

It is an amenable number.

26402228 is a deficient number, since it is larger than the sum of its proper divisors (19801678).

26402228 is a wasteful number, since it uses less digits than its factorization.

26402228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600561 (or 6600559 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 26402228 is about 5138.3098388478. The cubic root of 26402228 is about 297.7694867662.

The spelling of 26402228 in words is "twenty-six million, four hundred two thousand, two hundred twenty-eight".