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22243130 = 2571324443
BaseRepresentation
bin101010011011…
…0011100111010
31112212001211122
41110312130322
521143240010
62112425242
7360030530
oct124663472
945761748
1022243130
1111612658
127548222
1347ba420
142d50150
151e45855
hex153673a

22243130 has 32 divisors (see below), whose sum is σ = 49279104. Its totient is φ = 7039296.

The previous prime is 22243127. The next prime is 22243141. The reversal of 22243130 is 3134222.

It is a junction number, because it is equal to n+sod(n) for n = 22243099 and 22243108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11312 + ... + 13131.

It is an arithmetic number, because the mean of its divisors is an integer number (1539972).

Almost surely, 222243130 is an apocalyptic number.

22243130 is an abundant number, since it is smaller than the sum of its proper divisors (27035974).

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

22243130 is a wasteful number, since it uses less digits than its factorization.

22243130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24470.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22243130 is about 4716.2622912641. The cubic root of 22243130 is about 281.2323656433.

Adding to 22243130 its reverse (3134222), we get a palindrome (25377352).

The spelling of 22243130 in words is "twenty-two million, two hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 24443 48886 122215 171101 244430 317759 342202 635518 855505 1588795 1711010 2224313 3177590 4448626 11121565 22243130