33222438 has 24 divisors (see below), whose sum is σ = 72553728. Its totient is φ = 10986192.

The previous prime is 33222433. The next prime is 33222443. The reversal of 33222438 is 83422233.

33222438 is a `hidden beast` number, since 3 + 3 + 222 + 438 = 666.

It is an interprime number because it is at equal distance from previous prime (33222433) and next prime (33222443).

It is a super-2 number, since 2×33222438² = 2207460773327688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222433) by changing a digit.

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, 4981 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (3023072).

Almost surely, 2^33222438 is an apocalyptic number.

33222438 is an abundant number, since it is smaller than the sum of its proper divisors (39331290).

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

33222438 is a wasteful number, since it uses less digits than its factorization.

33222438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14668 (or 14665 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 33222438 is about 5763.8908733598. The cubic root of 33222438 is about 321.4725041326.

The spelling of 33222438 in words is "thirty-three million, two hundred twenty-two thousand, four hundred thirty-eight".