Search a number
-
+
22628711 = 723140551
BaseRepresentation
bin101011001010…
…0100101100111
31120120122202102
41112110211213
521243104321
62125002315
7363224630
oct126244547
946518672
1022628711
1111856316
1276b339b
1348c3a91
143010887
151ebec0b
hex1594967

22628711 has 8 divisors (see below), whose sum is σ = 26985984. Its totient is φ = 18552600.

The previous prime is 22628699. The next prime is 22628713. The reversal of 22628711 is 11782622.

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

It is a cyclic number.

It is not a de Polignac number, because 22628711 - 214 = 22612327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22628713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70115 + ... + 70436.

It is an arithmetic number, because the mean of its divisors is an integer number (3373248).

Almost surely, 222628711 is an apocalyptic number.

22628711 is a deficient number, since it is larger than the sum of its proper divisors (4357273).

22628711 is a wasteful number, since it uses less digits than its factorization.

22628711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140581.

The product of its digits is 2688, while the sum is 29.

The square root of 22628711 is about 4756.9644732749. The cubic root of 22628711 is about 282.8481040470.

The spelling of 22628711 in words is "twenty-two million, six hundred twenty-eight thousand, seven hundred eleven".

Divisors: 1 7 23 161 140551 983857 3232673 22628711