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22016898 = 2321223161
BaseRepresentation
bin101001111111…
…1001110000010
31112102120111200
41103333032002
521114020043
62103522030
7355066131
oct123771602
945376450
1022016898
1111478692
127459316
13473b467
142cd1918
151ded7d3
hex14ff382

22016898 has 12 divisors (see below), whose sum is σ = 47703318. Its totient is φ = 7338960.

The previous prime is 22016893. The next prime is 22016941. The reversal of 22016898 is 89861022.

It can be written as a sum of positive squares in only one way, i.e., 17867529 + 4149369 = 4227^2 + 2037^2 .

It is not an unprimeable number, because it can be changed into a prime (22016893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611563 + ... + 611598.

Almost surely, 222016898 is an apocalyptic number.

22016898 is an abundant number, since it is smaller than the sum of its proper divisors (25686420).

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

22016898 is a wasteful number, since it uses less digits than its factorization.

22016898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223169 (or 1223166 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 22016898 is about 4692.2167469118. The cubic root of 22016898 is about 280.2756554035.

The spelling of 22016898 in words is "twenty-two million, sixteen thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 1223161 2446322 3669483 7338966 11008449 22016898