33225426 has 48 divisors (see below), whose sum is σ = 78309504. Its totient is φ = 10120032.

The previous prime is 33225421. The next prime is 33225427. The reversal of 33225426 is 62452233.

It is a super-2 number, since 2×33225426² = 2207857865762952, 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 33225426.

It is not an unprimeable number, because it can be changed into a prime (33225421) 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 23 ways as a sum of consecutive naturals, for example, 24375 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (1631448).

Almost surely, 2^33225426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33225426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39154752).

33225426 is an abundant number, since it is smaller than the sum of its proper divisors (45084078).

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

33225426 is a wasteful number, since it uses less digits than its factorization.

33225426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1452 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 33225426 is about 5764.1500674427. The cubic root of 33225426 is about 321.4821415052.

Adding to 33225426 its reverse (62452233), we get a palindrome (95677659).

The spelling of 33225426 in words is "thirty-three million, two hundred twenty-five thousand, four hundred twenty-six".