33422290 has 16 divisors (see below), whose sum is σ = 65629440. Its totient is φ = 12153520.

The previous prime is 33422281. The next prime is 33422329. The reversal of 33422290 is 9222433.

It is a super-2 number, since 2×33422290² = 2234098937688200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151810 + ... + 152029.

It is an arithmetic number, because the mean of its divisors is an integer number (4101840).

Almost surely, 2^33422290 is an apocalyptic number.

33422290 is a deficient number, since it is larger than the sum of its proper divisors (32207150).

33422290 is a wasteful number, since it uses less digits than its factorization.

33422290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303857.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 33422290 is about 5781.2014322284. The cubic root of 33422290 is about 322.1158296301.

The spelling of 33422290 in words is "thirty-three million, four hundred twenty-two thousand, two hundred ninety".