33245628 has 48 divisors (see below), whose sum is σ = 85137696. Its totient is φ = 10033920.

The previous prime is 33245627. The next prime is 33245633. The reversal of 33245628 is 82654233.

It is a happy number.

It is a super-2 number, since 2×33245628² = 2210543562228768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33245621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6258 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (1773702).

Almost surely, 2^33245628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33245628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42568848).

33245628 is an abundant number, since it is smaller than the sum of its proper divisors (51892068).

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

33245628 is a wasteful number, since it uses less digits than its factorization.

33245628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4092 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 33245628 is about 5765.9021843940. The cubic root of 33245628 is about 321.5472850529.

The spelling of 33245628 in words is "thirty-three million, two hundred forty-five thousand, six hundred twenty-eight".