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4220219 = 10340973
BaseRepresentation
bin10000000110010100111011
321221102001102
4100012110323
52040021334
6230242015
750604563
oct20062473
97842042
104220219
112422793
1214b630b
13b49b93
147bbda3
1558567e
hex40653b

4220219 has 4 divisors (see below), whose sum is σ = 4261296. Its totient is φ = 4179144.

The previous prime is 4220207. The next prime is 4220239. The reversal of 4220219 is 9120224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4220219 is a prime.

It is a super-2 number, since 2×42202192 = 35620496815922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4220219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220239) 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, 20384 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (1065324).

Almost surely, 24220219 is an apocalyptic number.

4220219 is a deficient number, since it is larger than the sum of its proper divisors (41077).

4220219 is a wasteful number, since it uses less digits than its factorization.

4220219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41076.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4220219 is about 2054.3171614919. The cubic root of 4220219 is about 161.6013543289.

The spelling of 4220219 in words is "four million, two hundred twenty thousand, two hundred nineteen".

Divisors: 1 103 40973 4220219