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22828061 is a prime number
BaseRepresentation
bin101011100010…
…1010000011101
31120221210012202
41113011100131
521320444221
62133141245
7365015054
oct127052035
946853182
1022828061
1111982073
12778a825
134963739
14306339b
15200dd0b
hex15c541d

22828061 has 2 divisors, whose sum is σ = 22828062. Its totient is φ = 22828060.

The previous prime is 22828051. The next prime is 22828067. The reversal of 22828061 is 16082822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19971961 + 2856100 = 4469^2 + 1690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22828061 is a prime.

It is a super-2 number, since 2×228280612 = 1042240738039442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22828067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11414030 + 11414031.

It is an arithmetic number, because the mean of its divisors is an integer number (11414031).

Almost surely, 222828061 is an apocalyptic number.

It is an amenable number.

22828061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22828061 is an equidigital number, since it uses as much as digits as its factorization.

22828061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 22828061 is about 4777.8720158665. The cubic root of 22828061 is about 283.6762701823.

The spelling of 22828061 in words is "twenty-two million, eight hundred twenty-eight thousand, sixty-one".