33350000 has 120 divisors (see below), whose sum is σ = 87181920. Its totient is φ = 12320000.

The previous prime is 33349999. The next prime is 33350021. The reversal of 33350000 is 5333.

It is a super-2 number, since 2×33350000² = 2224445000000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149986 + ... + 1150014.

It is an arithmetic number, because the mean of its divisors is an integer number (726516).

Almost surely, 2^33350000 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 33350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43590960).

33350000 is an abundant number, since it is smaller than the sum of its proper divisors (53831920).

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

33350000 is an equidigital number, since it uses as much as digits as its factorization.

33350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 14.

The square root of 33350000 is about 5774.9458871924. The cubic root of 33350000 is about 321.8834242305.

Adding to 33350000 its reverse (5333), we get a palindrome (33355333).

The spelling of 33350000 in words is "thirty-three million, three hundred fifty thousand".