33145226 has 4 divisors (see below), whose sum is σ = 49717842. Its totient is φ = 16572612.

The previous prime is 33145219. The next prime is 33145247. The reversal of 33145226 is 62254133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62254133 = 79 ⋅788027.

It can be written as a sum of positive squares in only one way, i.e., 27552001 + 5593225 = 5249^2 + 2365^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33145195 and 33145204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8286305 + ... + 8286308.

Almost surely, 2^33145226 is an apocalyptic number.

33145226 is a deficient number, since it is larger than the sum of its proper divisors (16572616).

33145226 is a wasteful number, since it uses less digits than its factorization.

33145226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16572615.

The product of its digits is 4320, while the sum is 26.

The square root of 33145226 is about 5757.1890710658. The cubic root of 33145226 is about 321.2232670654.

Adding to 33145226 its reverse (62254133), we get a palindrome (95399359).

The spelling of 33145226 in words is "thirty-three million, one hundred forty-five thousand, two hundred twenty-six".