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422040441 = 3140680147
BaseRepresentation
bin11001001001111…
…101001101111001
31002102010212122110
4121021331031321
51331020243231
6105513442533
713313166414
oct3111751571
91072125573
10422040441
111a725a259
12b9410449
136958a694
14400a0b7b
15270b9046
hex1927d379

422040441 has 4 divisors (see below), whose sum is σ = 562720592. Its totient is φ = 281360292.

The previous prime is 422040439. The next prime is 422040449. The reversal of 422040441 is 144040224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422040441 - 21 = 422040439 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422040449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70340071 + ... + 70340076.

It is an arithmetic number, because the mean of its divisors is an integer number (140680148).

Almost surely, 2422040441 is an apocalyptic number.

It is an amenable number.

422040441 is a deficient number, since it is larger than the sum of its proper divisors (140680151).

422040441 is a wasteful number, since it uses less digits than its factorization.

422040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140680150.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 422040441 is about 20543.6228791321. The cubic root of 422040441 is about 750.0980262983.

Adding to 422040441 its reverse (144040224), we get a palindrome (566080665).

The spelling of 422040441 in words is "four hundred twenty-two million, forty thousand, four hundred forty-one".

Divisors: 1 3 140680147 422040441