33225999 has 4 divisors (see below), whose sum is σ = 44301336. Its totient is φ = 22150664.

The previous prime is 33225977. The next prime is 33226013. The reversal of 33225999 is 99952233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99952233 = 3 ⋅33317411.

It is a cyclic number.

It is not a de Polignac number, because 33225999 - 2²¹ = 31128847 is a prime.

It is a super-2 number, since 2×33225999² = 2207934019096002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33225999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33225299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5537664 + ... + 5537669.

It is an arithmetic number, because the mean of its divisors is an integer number (11075334).

Almost surely, 2^33225999 is an apocalyptic number.

33225999 is a deficient number, since it is larger than the sum of its proper divisors (11075337).

33225999 is a wasteful number, since it uses less digits than its factorization.

33225999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075336.

The product of its digits is 131220, while the sum is 42.

The square root of 33225999 is about 5764.1997710003. The cubic root of 33225999 is about 321.4839895699.

The spelling of 33225999 in words is "thirty-three million, two hundred twenty-five thousand, nine hundred ninety-nine".