33228055 has 32 divisors (see below), whose sum is σ = 49651200. Its totient is φ = 20829312.

The previous prime is 33228053. The next prime is 33228059. The reversal of 33228055 is 55082233.

It is not a de Polignac number, because 33228055 - 2¹ = 33228053 is a prime.

It is a super-2 number, since 2×33228055² = 2208207278166050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33228053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18424 + ... + 20146.

It is an arithmetic number, because the mean of its divisors is an integer number (1551600).

Almost surely, 2^33228055 is an apocalyptic number.

33228055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

33228055 is a deficient number, since it is larger than the sum of its proper divisors (16423145).

33228055 is a wasteful number, since it uses less digits than its factorization.

33228055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 33228055 is about 5764.3781104296. The cubic root of 33228055 is about 321.4906204962.

The spelling of 33228055 in words is "thirty-three million, two hundred twenty-eight thousand, fifty-five".