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44222401 = 154928549
BaseRepresentation
bin1010100010110…
…0011111000001
310002012201201201
42220230133001
542310104101
64215501201
71044612166
oct250543701
9102181651
1044222401
1122a64a43
1212987801
139214702
145c3206d
153d37e01
hex2a2c7c1

44222401 has 4 divisors (see below), whose sum is σ = 44252500. Its totient is φ = 44192304.

The previous prime is 44222393. The next prime is 44222411. The reversal of 44222401 is 10422244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11458225 + 32764176 = 3385^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 44222401 - 23 = 44222393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44222411) 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, 12726 + ... + 15823.

It is an arithmetic number, because the mean of its divisors is an integer number (11063125).

Almost surely, 244222401 is an apocalyptic number.

It is an amenable number.

44222401 is a deficient number, since it is larger than the sum of its proper divisors (30099).

44222401 is a wasteful number, since it uses less digits than its factorization.

44222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30098.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 44222401 is about 6649.9925563868. The cubic root of 44222401 is about 353.6286470422.

Adding to 44222401 its reverse (10422244), we get a palindrome (54644645).

The spelling of 44222401 in words is "forty-four million, two hundred twenty-two thousand, four hundred one".

Divisors: 1 1549 28549 44222401