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4422121 = 11735507
BaseRepresentation
bin10000110111100111101001
322022200000021
4100313213221
52113001441
6234440441
752405324
oct20674751
98280007
104422121
112550450
121593121
13bbaa52
148317bb
155c53d1
hex4379e9

4422121 has 8 divisors (see below), whose sum is σ = 4891104. Its totient is φ = 3964320.

The previous prime is 4422101. The next prime is 4422127. The reversal of 4422121 is 1212244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4422121 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4422095 and 4422104.

It is not an unprimeable number, because it can be changed into a prime (4422127) 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, 1951 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (611388).

Almost surely, 24422121 is an apocalyptic number.

It is an amenable number.

4422121 is a deficient number, since it is larger than the sum of its proper divisors (468983).

4422121 is a wasteful number, since it uses less digits than its factorization.

4422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591.

The product of its digits is 128, while the sum is 16.

The square root of 4422121 is about 2102.8839720726. The cubic root of 4422121 is about 164.1384043812.

Adding to 4422121 its reverse (1212244), we get a palindrome (5634365).

The spelling of 4422121 in words is "four million, four hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 11 73 803 5507 60577 402011 4422121