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4022131 = 23916829
BaseRepresentation
bin1111010101111101110011
321120100022211
433111331303
52012202011
6222112551
746121221
oct17257563
97510284
104022131
1122a7983
12141b757
13aaa979
14769b11
15546b21
hex3d5f73

4022131 has 4 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 4005064.

The previous prime is 4022113. The next prime is 4022143. The reversal of 4022131 is 1312204.

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

It is a cyclic number.

It is not a de Polignac number, because 4022131 - 25 = 4022099 is a prime.

It is a super-2 number, since 2×40221312 = 32355075562322, which contains 22 as substring.

It is a Duffinian number.

4022131 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4022101) 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, 8176 + ... + 8653.

It is an arithmetic number, because the mean of its divisors is an integer number (1009800).

Almost surely, 24022131 is an apocalyptic number.

4022131 is a deficient number, since it is larger than the sum of its proper divisors (17069).

4022131 is a wasteful number, since it uses less digits than its factorization.

4022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17068.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4022131 is about 2005.5251182670. The cubic root of 4022131 is about 159.0323233732.

Adding to 4022131 its reverse (1312204), we get a palindrome (5334335).

The spelling of 4022131 in words is "four million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 239 16829 4022131