26620228 has 6 divisors (see below), whose sum is σ = 46585406. Its totient is φ = 13310112.

The previous prime is 26620211. The next prime is 26620241. The reversal of 26620228 is 82202662.

It can be written as a sum of positive squares in only one way, i.e., 26030404 + 589824 = 5102^2 + 768^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26620196 and 26620205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327525 + ... + 3327532.

Almost surely, 2^26620228 is an apocalyptic number.

It is an amenable number.

26620228 is a deficient number, since it is larger than the sum of its proper divisors (19965178).

26620228 is a wasteful number, since it uses less digits than its factorization.

26620228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655061 (or 6655059 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 26620228 is about 5159.4794311054. The cubic root of 26620228 is about 298.5867902847.

The spelling of 26620228 in words is "twenty-six million, six hundred twenty thousand, two hundred twenty-eight".