Search a number
-
+
10223221000 = 235310223221
BaseRepresentation
bin10011000010101100…
…11111100100001000
3222101110210102202211
421201112133210020
5131414121033000
64410235034504
7511224642016
oct114126374410
928343712684
1010223221000
114376818283
121b9389ba34
13c6c014cc5
146cda6b8b6
153ec7a27ba
hex26159f908

10223221000 has 32 divisors (see below), whose sum is σ = 23922339480. Its totient is φ = 4089288000.

The previous prime is 10223220983. The next prime is 10223221081. The reversal of 10223221000 is 12232201.

It can be written as a sum of positive squares in 4 ways, for example, as 2545606116 + 7677614884 = 50454^2 + 87622^2 .

It is a super-2 number, since 2×102232210002 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5110611 + ... + 5112610.

Almost surely, 210223221000 is an apocalyptic number.

10223221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223221000 is an abundant number, since it is smaller than the sum of its proper divisors (13699118480).

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

10223221000 is a wasteful number, since it uses less digits than its factorization.

10223221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223242 (or 10223228 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10223221000 its reverse (12232201), we get a palindrome (10235453201).

The spelling of 10223221000 in words is "ten billion, two hundred twenty-three million, two hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 10223221 20446442 40892884 51116105 81785768 102232210 204464420 255580525 408928840 511161050 1022322100 1277902625 2044644200 2555805250 5111610500 10223221000