228166453 has 2 divisors, whose sum is σ = 228166454. Its totient is φ = 228166452.

The previous prime is 228166429. The next prime is 228166481. The reversal of 228166453 is 354661822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117874449 + 110292004 = 10857^2 + 10502^2 .

It is a cyclic number.

It is not a de Polignac number, because 228166453 - 2¹³ = 228158261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228166483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114083226 + 114083227.

It is an arithmetic number, because the mean of its divisors is an integer number (114083227).

Almost surely, 2^228166453 is an apocalyptic number.

It is an amenable number.

228166453 is a deficient number, since it is larger than the sum of its proper divisors (1).

228166453 is an equidigital number, since it uses as much as digits as its factorization.

228166453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 228166453 is about 15105.1796745355. The cubic root of 228166453 is about 611.0601050016.

The spelling of 228166453 in words is "two hundred twenty-eight million, one hundred sixty-six thousand, four hundred fifty-three".