33226290 has 24 divisors (see below), whose sum is σ = 86388588. Its totient is φ = 8860320.

The previous prime is 33226289. The next prime is 33226309. The reversal of 33226290 is 9262233.

33226290 is a `hidden beast` number, since 3 + 32 + 2 + 629 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29844369 + 3381921 = 5463^2 + 1839^2 .

It is a super-2 number, since 2×33226290² = 2207972694328200, which contains 22 as substring.

It is an unprimeable number.

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, 184501 + ... + 184680.

Almost surely, 2^33226290 is an apocalyptic number.

33226290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33226290 is an abundant number, since it is smaller than the sum of its proper divisors (53162298).

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

33226290 is a wasteful number, since it uses less digits than its factorization.

33226290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369194 (or 369191 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 33226290 is about 5764.2250129571. The cubic root of 33226290 is about 321.4849281077.

The spelling of 33226290 in words is "thirty-three million, two hundred twenty-six thousand, two hundred ninety".