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5572221 = 31857407
BaseRepresentation
bin10101010000011001111101
3101111002122120
4111100121331
52411302341
6315233153
765235354
oct25203175
911432576
105572221
113166546
121a487b9
131201395
14a5099b
15751066
hex55067d

5572221 has 4 divisors (see below), whose sum is σ = 7429632. Its totient is φ = 3714812.

The previous prime is 5572211. The next prime is 5572253. The reversal of 5572221 is 1222755.

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 a cyclic number.

It is not a de Polignac number, because 5572221 - 213 = 5564029 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5572191 and 5572200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5572211) 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, 928701 + ... + 928706.

It is an arithmetic number, because the mean of its divisors is an integer number (1857408).

Almost surely, 25572221 is an apocalyptic number.

It is an amenable number.

5572221 is a deficient number, since it is larger than the sum of its proper divisors (1857411).

5572221 is a wasteful number, since it uses less digits than its factorization.

5572221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857410.

The product of its digits is 1400, while the sum is 24.

The square root of 5572221 is about 2360.5552312962. Note that the first 3 decimals coincide. The cubic root of 5572221 is about 177.2866815147.

Adding to 5572221 its reverse (1222755), we get a palindrome (6794976).

The spelling of 5572221 in words is "five million, five hundred seventy-two thousand, two hundred twenty-one".

Divisors: 1 3 1857407 5572221