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22132553 = 139159227
BaseRepresentation
bin101010001101…
…1011101001001
31112122110011012
41110123131021
521131220203
62110213305
7356060252
oct124333511
945573135
1022132553
1111547573
1274b4235
13477bcb1
142d21b29
151e22bd8
hex151b749

22132553 has 4 divisors (see below), whose sum is σ = 22291920. Its totient is φ = 21973188.

The previous prime is 22132529. The next prime is 22132567. The reversal of 22132553 is 35523122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22132553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132153) 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 3 ways as a sum of consecutive naturals, for example, 79475 + ... + 79752.

It is an arithmetic number, because the mean of its divisors is an integer number (5572980).

Almost surely, 222132553 is an apocalyptic number.

It is an amenable number.

22132553 is a deficient number, since it is larger than the sum of its proper divisors (159367).

22132553 is a wasteful number, since it uses less digits than its factorization.

22132553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159366.

The product of its digits is 1800, while the sum is 23.

The square root of 22132553 is about 4704.5247368889. The cubic root of 22132553 is about 280.7655622426.

Adding to 22132553 its reverse (35523122), we get a palindrome (57655675).

The spelling of 22132553 in words is "twenty-two million, one hundred thirty-two thousand, five hundred fifty-three".

Divisors: 1 139 159227 22132553