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220231022 = 211171913083
BaseRepresentation
bin11010010000001…
…11010101101110
3120100101220011112
431020013111232
5422334343042
633504152022
75312634644
oct1510072556
9510356145
10220231022
11103350910
1261908612
133681b91b
142136b194
1514503982
hexd20756e

220231022 has 32 divisors (see below), whose sum is σ = 383698944. Its totient is φ = 93692800.

The previous prime is 220231021. The next prime is 220231027. The reversal of 220231022 is 220132022.

220231022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220230988 and 220231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69893 + ... + 72975.

It is an arithmetic number, because the mean of its divisors is an integer number (11990592).

Almost surely, 2220231022 is an apocalyptic number.

220231022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220231022 is a deficient number, since it is larger than the sum of its proper divisors (163467922).

220231022 is a wasteful number, since it uses less digits than its factorization.

220231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220231022 is about 14840.1826808163. The cubic root of 220231022 is about 603.8923082564.

Adding to 220231022 its reverse (220132022), we get a palindrome (440363044).

The spelling of 220231022 in words is "two hundred twenty million, two hundred thirty-one thousand, twenty-two".

Divisors: 1 2 11 17 22 34 187 191 374 382 2101 3083 3247 4202 6166 6494 33913 35717 52411 67826 71434 104822 576521 588853 1153042 1177706 6477383 10010501 12954766 20021002 110115511 220231022