226859690 has 8 divisors (see below), whose sum is σ = 408347460. Its totient is φ = 90743872.

The previous prime is 226859627. The next prime is 226859693. The reversal of 226859690 is 96958622.

It is a happy number.

226859690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 219958561 + 6901129 = 14831^2 + 2627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×226859690² = 102930637893792200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226859693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11342975 + ... + 11342994.

Almost surely, 2^226859690 is an apocalyptic number.

226859690 is a deficient number, since it is larger than the sum of its proper divisors (181487770).

226859690 is a wasteful number, since it uses less digits than its factorization.

226859690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22685976.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 226859690 is about 15061.8621026751. The cubic root of 226859690 is about 609.8913091303.

The spelling of 226859690 in words is "two hundred twenty-six million, eight hundred fifty-nine thousand, six hundred ninety".