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22530022 = 243261977
BaseRepresentation
bin101010111110…
…0011111100110
31120101122101021
41111330133212
521231430042
62122521354
7362334124
oct125743746
946348337
1022530022
1111799159
12766625a
13488ab98
142dc6914
151ea0867
hex157c7e6

22530022 has 8 divisors (see below), whose sum is σ = 34581096. Its totient is φ = 11002992.

The previous prime is 22530017. The next prime is 22530037. The reversal of 22530022 is 22003522.

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

It is a junction number, because it is equal to n+sod(n) for n = 22529978 and 22530005.

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, 130903 + ... + 131074.

It is an arithmetic number, because the mean of its divisors is an integer number (4322637).

Almost surely, 222530022 is an apocalyptic number.

22530022 is a deficient number, since it is larger than the sum of its proper divisors (12051074).

22530022 is a wasteful number, since it uses less digits than its factorization.

22530022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262022.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 22530022 is about 4746.5800319809. The cubic root of 22530022 is about 282.4363163417.

Adding to 22530022 its reverse (22003522), we get a palindrome (44533544).

The spelling of 22530022 in words is "twenty-two million, five hundred thirty thousand, twenty-two".

Divisors: 1 2 43 86 261977 523954 11265011 22530022