133331226 has 16 divisors (see below), whose sum is σ = 304757184. Its totient is φ = 38094624.

The previous prime is 133331201. The next prime is 133331251. The reversal of 133331226 is 622133331.

It is a happy number.

133331226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133331201) and next prime (133331251).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 133331196 and 133331205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587235 + ... + 1587318.

It is an arithmetic number, because the mean of its divisors is an integer number (19047324).

Almost surely, 2^133331226 is an apocalyptic number.

133331226 is an abundant number, since it is smaller than the sum of its proper divisors (171425958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133331226 is a wasteful number, since it uses less digits than its factorization.

133331226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174565.

The product of its digits is 1944, while the sum is 24.

The square root of 133331226 is about 11546.9141332219. The cubic root of 133331226 is about 510.8702634658.

Adding to 133331226 its reverse (622133331), we get a palindrome (755464557).

The spelling of 133331226 in words is "one hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-six".