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33242201 = 191317377

33242201 has 4 divisors (see below), whose sum is σ = 33261492. Its totient is φ = 33222912.

The previous prime is 33242171. The next prime is 33242219. The reversal of 33242201 is 10224233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14622976 + 18619225 = 3824^2 + 4315^2 .

It is a cyclic number.

It is not a de Polignac number, because 33242201 - 214 = 33225817 is a prime.

It is a super-2 number, since 2×332422012 = 2210087854648802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33242201.

It is not an unprimeable number, because it can be changed into a prime (33242221) 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, 6776 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (8315373).

Almost surely, 233242201 is an apocalyptic number.

It is an amenable number.

33242201 is a deficient number, since it is larger than the sum of its proper divisors (19291).

33242201 is a wasteful number, since it uses less digits than its factorization.

33242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19290.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33242201 is about 5765.6049986103. The cubic root of 33242201 is about 321.5362361775.

Adding to 33242201 its reverse (10224233), we get a palindrome (43466434).

The spelling of 33242201 in words is "thirty-three million, two hundred forty-two thousand, two hundred one".

Divisors: 1 1913 17377 33242201