33224425 has 12 divisors (see below), whose sum is σ = 44367820. Its totient is φ = 24534720.

The previous prime is 33224413. The next prime is 33224431. The reversal of 33224425 is 52442233.

It can be written as a sum of positive squares in 6 ways, for example, as 2521744 + 30702681 = 1588^2 + 5541^2 .

It is not a de Polignac number, because 33224425 - 2¹¹ = 33222377 is a prime.

It is a super-2 number, since 2×33224425² = 2207724833161250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 33224425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50790 + ... + 51439.

Almost surely, 2^33224425 is an apocalyptic number.

It is an amenable number.

33224425 is a deficient number, since it is larger than the sum of its proper divisors (11143395).

33224425 is a wasteful number, since it uses less digits than its factorization.

33224425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102252 (or 102247 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 33224425 is about 5764.0632369883. The cubic root of 33224425 is about 321.4789129853.

Adding to 33224425 its reverse (52442233), we get a palindrome (85666658).

The spelling of 33224425 in words is "thirty-three million, two hundred twenty-four thousand, four hundred twenty-five".