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22150122 = 233691687
BaseRepresentation
bin101010001111…
…1101111101010
31112200100020220
41110133233222
521132300442
62110430510
7356162421
oct124375752
945610226
1022150122
1111559795
127502436
134786ca7
142d282b8
151e27eec
hex151fbea

22150122 has 8 divisors (see below), whose sum is σ = 44300256. Its totient is φ = 7383372.

The previous prime is 22150103. The next prime is 22150129. The reversal of 22150122 is 22105122.

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

22150122 is an admirable number.

It is a super-2 number, since 2×221501222 = 981255809229768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22150129) 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, 1845838 + ... + 1845849.

It is an arithmetic number, because the mean of its divisors is an integer number (5537532).

Almost surely, 222150122 is an apocalyptic number.

22150122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22150122 is a wasteful number, since it uses less digits than its factorization.

22150122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691692.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22150122 is about 4706.3916114153. The cubic root of 22150122 is about 280.8398339201.

Adding to 22150122 its reverse (22105122), we get a palindrome (44255244).

The spelling of 22150122 in words is "twenty-two million, one hundred fifty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 3691687 7383374 11075061 22150122