Search a number
-
+
22328870 = 252232887
BaseRepresentation
bin101010100101…
…1011000100110
31120000102110012
41111023120212
521204010440
62114330222
7360535514
oct125133046
946012405
1022328870
1111671013
127589972
13481a465
142d734b4
151e60e65
hex154b626

22328870 has 8 divisors (see below), whose sum is σ = 40191984. Its totient is φ = 8931544.

The previous prime is 22328851. The next prime is 22328879. The reversal of 22328870 is 7882322.

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

It is a super-3 number, since 3×223288703 (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22328879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116434 + ... + 1116453.

It is an arithmetic number, because the mean of its divisors is an integer number (5023998).

Almost surely, 222328870 is an apocalyptic number.

22328870 is a deficient number, since it is larger than the sum of its proper divisors (17863114).

22328870 is a wasteful number, since it uses less digits than its factorization.

22328870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232894.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 22328870 is about 4725.3433737666. The cubic root of 22328870 is about 281.5932553024.

The spelling of 22328870 in words is "twenty-two million, three hundred twenty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 2232887 4465774 11164435 22328870