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22231130 = 252223113
BaseRepresentation
bin101010011001…
…1100001011010
31112211110101012
41110303201122
521142344010
62112253522
7356650535
oct124634132
945743335
1022231130
1111604639
1275412a2
1347b4b1c
142d49a1c
151e42005
hex153385a

22231130 has 8 divisors (see below), whose sum is σ = 40016052. Its totient is φ = 8892448.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231130 is 3113222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21780889 + 450241 = 4667^2 + 671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111547 + ... + 1111566.

Almost surely, 222231130 is an apocalyptic number.

22231130 is a deficient number, since it is larger than the sum of its proper divisors (17784922).

22231130 is a wasteful number, since it uses less digits than its factorization.

22231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223120.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22231130 is about 4714.9899257581. The cubic root of 22231130 is about 281.1817823027.

Adding to 22231130 its reverse (3113222), we get a palindrome (25344352).

The spelling of 22231130 in words is "twenty-two million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 2223113 4446226 11115565 22231130