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22274898 = 234778989
BaseRepresentation
bin101010011111…
…0001101010010
31112220200102020
41110332031102
521200244043
62113232310
7360222252
oct124761522
945820366
1022274898
1111634508
127562696
1347cba19
142d5b962
151e4ee83
hex153e352

22274898 has 16 divisors (see below), whose sum is σ = 45498240. Its totient is φ = 7266896.

The previous prime is 22274891. The next prime is 22274909. The reversal of 22274898 is 89847222.

It is not an unprimeable number, because it can be changed into a prime (22274891) 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 7 ways as a sum of consecutive naturals, for example, 39213 + ... + 39776.

It is an arithmetic number, because the mean of its divisors is an integer number (2843640).

Almost surely, 222274898 is an apocalyptic number.

22274898 is an abundant number, since it is smaller than the sum of its proper divisors (23223342).

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

22274898 is a wasteful number, since it uses less digits than its factorization.

22274898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79041.

The product of its digits is 129024, while the sum is 42.

The square root of 22274898 is about 4719.6290108440. The cubic root of 22274898 is about 281.3661888334.

The spelling of 22274898 in words is "twenty-two million, two hundred seventy-four thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 47 94 141 282 78989 157978 236967 473934 3712483 7424966 11137449 22274898