Search a number
-
+
22525142 = 223489677
BaseRepresentation
bin101010111101…
…1010011010110
31120101101200112
41111323103112
521231301032
62122443022
7362313653
oct125732326
946341615
1022525142
1111795522
127663472
1348888b3
142dc4c2a
151e9e1b2
hex157b4d6

22525142 has 8 divisors (see below), whose sum is σ = 35256816. Its totient is φ = 10772872.

The previous prime is 22525117. The next prime is 22525157. The reversal of 22525142 is 24152522.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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, 244793 + ... + 244884.

It is an arithmetic number, because the mean of its divisors is an integer number (4407102).

Almost surely, 222525142 is an apocalyptic number.

22525142 is a deficient number, since it is larger than the sum of its proper divisors (12731674).

22525142 is a wasteful number, since it uses less digits than its factorization.

22525142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489702.

The product of its digits is 1600, while the sum is 23.

The square root of 22525142 is about 4746.0659498157. The cubic root of 22525142 is about 282.4159229787.

Adding to 22525142 its reverse (24152522), we get a palindrome (46677664).

The spelling of 22525142 in words is "twenty-two million, five hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 23 46 489677 979354 11262571 22525142