226389253 has 6 divisors (see below), whose sum is σ = 236660774. Its totient is φ = 216545736.

The previous prime is 226389197. The next prime is 226389257. The reversal of 226389253 is 352983622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 117353889 + 109035364 = 10833^2 + 10442^2 .

It is a de Polignac number, because none of the positive numbers 2^k-226389253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226389257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213450 + ... + 214507.

Almost surely, 2^226389253 is an apocalyptic number.

226389253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

226389253 is a deficient number, since it is larger than the sum of its proper divisors (10271521).

226389253 is an equidigital number, since it uses as much as digits as its factorization.

226389253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428003 (or 427980 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 226389253 is about 15046.2371708012. The cubic root of 226389253 is about 609.4694419235.

The spelling of 226389253 in words is "two hundred twenty-six million, three hundred eighty-nine thousand, two hundred fifty-three".