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4022229 = 31340743
BaseRepresentation
bin1111010101111111010101
321120100110110
433111333111
52012202404
6222113233
746121421
oct17257725
97510413
104022229
1122a7a62
12141b819
13aaaa23
14769b81
15546b89
hex3d5fd5

4022229 has 4 divisors (see below), whose sum is σ = 5362976. Its totient is φ = 2681484.

The previous prime is 4022203. The next prime is 4022257. The reversal of 4022229 is 9222204.

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 4022229 - 25 = 4022197 is a prime.

It is a super-2 number, since 2×40222292 = 32356652256882, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022929) 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, 670369 + ... + 670374.

It is an arithmetic number, because the mean of its divisors is an integer number (1340744).

Almost surely, 24022229 is an apocalyptic number.

It is an amenable number.

4022229 is a deficient number, since it is larger than the sum of its proper divisors (1340747).

4022229 is a wasteful number, since it uses less digits than its factorization.

4022229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340746.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4022229 is about 2005.5495506220. The cubic root of 4022229 is about 159.0336149805.

The spelling of 4022229 in words is "four million, twenty-two thousand, two hundred twenty-nine".

Divisors: 1 3 1340743 4022229