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32223003221 = 50207641803
BaseRepresentation
bin11110000000101001…
…000000001001010101
310002011200021011111202
4132000221000021111
51011443042100341
622445242442245
72220342002543
oct360051001125
9102150234452
1032223003221
1112736055282
1262b3503385
133066abbb16
1417b9792d93
15c88d8b79b
hex780a40255

32223003221 has 4 divisors (see below), whose sum is σ = 32223695232. Its totient is φ = 32222311212.

The previous prime is 32223003217. The next prime is 32223003233. The reversal of 32223003221 is 12230032223.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12230032223 = 74171648919.

It is a cyclic number.

It is not a de Polignac number, because 32223003221 - 22 = 32223003217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32223003193 and 32223003202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32223003521) 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, 270695 + ... + 371108.

It is an arithmetic number, because the mean of its divisors is an integer number (8055923808).

Almost surely, 232223003221 is an apocalyptic number.

It is an amenable number.

32223003221 is a deficient number, since it is larger than the sum of its proper divisors (692011).

32223003221 is an equidigital number, since it uses as much as digits as its factorization.

32223003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692010.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32223003221 its reverse (12230032223), we get a palindrome (44453035444).

The spelling of 32223003221 in words is "thirty-two billion, two hundred twenty-three million, three thousand, two hundred twenty-one".

Divisors: 1 50207 641803 32223003221