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202422241 = 7231257281
BaseRepresentation
bin11000001000010…
…11011111100001
3112002220010010001
430010023133201
5403310002431
632030340001
75005363210
oct1404133741
9462803101
10202422241
11a429790a
125795a601
1332c24998
141cc53077
1512b86e61
hexc10b7e1

202422241 has 8 divisors (see below), whose sum is σ = 241398144. Its totient is φ = 165960960.

The previous prime is 202422239. The next prime is 202422263. The reversal of 202422241 is 142224202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202422241 - 21 = 202422239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202422271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628480 + ... + 628801.

It is an arithmetic number, because the mean of its divisors is an integer number (30174768).

Almost surely, 2202422241 is an apocalyptic number.

It is an amenable number.

202422241 is a deficient number, since it is larger than the sum of its proper divisors (38975903).

202422241 is a wasteful number, since it uses less digits than its factorization.

202422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257311.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 202422241 is about 14227.5170356602. The cubic root of 202422241 is about 587.1549720603.

Adding to 202422241 its reverse (142224202), we get a palindrome (344646443).

The spelling of 202422241 in words is "two hundred two million, four hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 7 23 161 1257281 8800967 28917463 202422241