33225501 has 16 divisors (see below), whose sum is σ = 46923264. Its totient is φ = 20868144.

The previous prime is 33225499. The next prime is 33225527. The reversal of 33225501 is 10552233.

It is not a de Polignac number, because 33225501 - 2¹ = 33225499 is a prime.

It is a super-2 number, since 2×33225501² = 2207867833402002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33225571) 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, 1030 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (2932704).

Almost surely, 2^33225501 is an apocalyptic number.

It is an amenable number.

33225501 is a deficient number, since it is larger than the sum of its proper divisors (13697763).

33225501 is a wasteful number, since it uses less digits than its factorization.

33225501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 33225501 is about 5764.1565731684. The cubic root of 33225501 is about 321.4823833997.

Adding to 33225501 its reverse (10552233), we get a palindrome (43777734).

The spelling of 33225501 in words is "thirty-three million, two hundred twenty-five thousand, five hundred one".