33225461 has 2 divisors, whose sum is σ = 33225462. Its totient is φ = 33225460.

The previous prime is 33225427. The next prime is 33225469. The reversal of 33225461 is 16452233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24850225 + 8375236 = 4985^2 + 2894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33225461 is a prime.

It is a super-2 number, since 2×33225461² = 2207862517325042, 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 33225461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33225469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16612730 + 16612731.

It is an arithmetic number, because the mean of its divisors is an integer number (16612731).

Almost surely, 2^33225461 is an apocalyptic number.

It is an amenable number.

33225461 is a deficient number, since it is larger than the sum of its proper divisors (1).

33225461 is an equidigital number, since it uses as much as digits as its factorization.

33225461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 33225461 is about 5764.1531034489. The cubic root of 33225461 is about 321.4822543894.

Adding to 33225461 its reverse (16452233), we get a palindrome (49677694).

The spelling of 33225461 in words is "thirty-three million, two hundred twenty-five thousand, four hundred sixty-one".