226993653 has 12 divisors (see below), whose sum is σ = 328475628. Its totient is φ = 151054080.

The previous prime is 226993633. The next prime is 226993661. The reversal of 226993653 is 356399622.

It can be written as a sum of positive squares in 2 ways, for example, as 104714289 + 122279364 = 10233^2 + 11058^2 .

It is not a de Polignac number, because 226993653 - 2¹⁰ = 226992629 is a prime.

It is a super-2 number, since 2×226993653² = 103052237004568818, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 226993599 and 226993608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226993633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17628 + ... + 27653.

It is an arithmetic number, because the mean of its divisors is an integer number (27372969).

Almost surely, 2^226993653 is an apocalyptic number.

It is an amenable number.

226993653 is a deficient number, since it is larger than the sum of its proper divisors (101481975).

226993653 is a wasteful number, since it uses less digits than its factorization.

226993653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45844 (or 45841 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 226993653 is about 15066.3085392541. The cubic root of 226993653 is about 610.0113345560.

The spelling of 226993653 in words is "two hundred twenty-six million, nine hundred ninety-three thousand, six hundred fifty-three".