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10011222 = 2331321097
BaseRepresentation
bin100110001100…
…001001010110
3200211121211000
4212030021112
510030324342
6554324130
7151044144
oct46141126
920747730
1010011222
115718641
123429646
1320c6a00
141488594
15d2b44c
hex98c256

10011222 has 48 divisors (see below), whose sum is σ = 24112080. Its totient is φ = 3077568.

The previous prime is 10011203. The next prime is 10011227. The reversal of 10011222 is 22211001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8578 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (502335).

Almost surely, 210011222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12056040).

10011222 is an abundant number, since it is smaller than the sum of its proper divisors (14100858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10011222 is a wasteful number, since it uses less digits than its factorization.

10011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10011222 is about 3164.0515166476. The cubic root of 10011222 is about 215.5240290962.

Adding to 10011222 its reverse (22211001), we get a palindrome (32222223).

The spelling of 10011222 in words is "ten million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 169 234 338 351 507 702 1014 1097 1521 2194 3042 3291 4563 6582 9126 9873 14261 19746 28522 29619 42783 59238 85566 128349 185393 256698 370786 385047 556179 770094 1112358 1668537 3337074 5005611 10011222